A synopsis of entozoa and some of their ecto-congeners, observed by the author / by Joseph Leidy.

  • Leidy, Joseph, 1823-1891.
Date:
1856
Catalogue details

Licence: Public Domain Mark

Credit: A synopsis of entozoa and some of their ecto-congeners, observed by the author / by Joseph Leidy. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    1856.] of penis curved ensiform, costate, emarginate at the extremity. Length of female 8 lines, breadth J of a line ; length of male to 4 lines, breadth to J of a line. Found in the stomach of Emys serrate. (Esophagus long, pestle-form, gizzard globular, commencement of the intestine cordiform, rectum short, wide, pyriform Ovaries double. 134. Spironoura affine Leidy. Body of female curved ; that of male posterior- ly spiral. Head naked ; mouth with a circular lip of 6 ? papilla-. Tail of female nearly straight, moderately long, conical, acute; of the male, conical, incurved, with a pair of tubercles on each side near the end. Spicula of penis curved, ensiform, costate, acute. , Length of female 4£ lines, breadth one-fifth of a line ; length of male 3 lines, breadth £ of a line. Found in the ccecum of Cisludo Carolina. 135. Physaloptera turgida Rud. Spiroptera Didelphidis virginiana. Leidy, Pr. A. N. S., v, 155. Common in the stomach of Didelphis virginiana. Found by Dr. Goddani. Mr. Schafhirt, and myself; and also by Mr. Jos. Jones, in Georgia. 136. Physaloptera limbata Leidy. Spiroptera Scalopis canadensis. Leidy, Pr. A. N. S., v, 156. The mouth bilabiate and surrounded by an elevated linear margin. Alas of male, each with 4 diverg- ing costae. The length 6 lines, breadth {- of a line. 137. Physaloptera mucronata Diesing. Numerous specimens were obtained by Mr. Joseph Jones, from the stomach of the Alligator rnississipiensis, in Georgia. 138. Physaloptera constricta Leidy. Body white, with the brown intestine shining through, cylindrical to within a short distance of the extremities, in- curved ; anterior extremity with one or two constrictions, and abruptly inflexed. Lips large, lateral, constricted from the bady, each trilobate. Tail of female in- curved, abruptly conical and acute ; of the male alated, with the alae narrow, long, and turgid. Length of female If inches, breadth two-fifths of a line ; male half the size. Found frequently in the stomach of Tropidonotus sipedon, with the anterior ex- tremity of the body hooked through the mucous membrane, and very tightly ad- hering by means of the one or two constrictions. 139. Physaloptera contorta Leidy. Body capillary, most narrowed anterior- ly, with the posterior four-fifths spirally contorted ; white, with the intestine brown. Lips prominent, constricted from the body, trilobate. Tail short, coni- cal, acute ; in the male with narrow alse, each furnished with five funnel-shaped pores. Length of female from 6 lines to an inch ; breadth to \ of a line ; male from one half to three-fourths the size. Frequent in the stomach of Emys serrala, Emys reticulata, Cisludo Carolina, and Kinosternum pennsylvanicum, adhering to the mucous membrane in the same manner as Physaloptera constricta. 140. Physaloptera abjecta Leidy. Body most narrowed anteriorly, incurved. Mouth distictly bilabiate ; lips lateral, prominent. Caudal extremity incurved, obtusely conical. Length 10 lines, breadth £ a line. One specimen was obtained by Mr. Jos. Jones, from the stomach of Psammo- phis flagelliformis. 141. CHEntACANTHUS horridcs Leidy. Body subcylindrical, incurved, pos- teriorly sub-clavate, obtuse ; anteriorly covered with palmate plates, furnished with as many as eight spines, and degenerating posteriorly to single spines. Head oblate-spheroidal, spirally echinate. Mouth bilabiate, with the lips late- ral and papillated. Length of female 2f inches, breadth lj lines. Male not seen. Four specimens were obtained by Mr. Joseph Jones, in the stomach of the Alligator rnississipiensis in Georgia. 142. Tricocephalus dispar Rud. Not unfrequent in the children of the Anglo-american, and also in the negro.