Researches in zoology, illustrative of the manners and economy of animals / [John Blackwall].

  • John Blackwall
Date:
1834
Catalogue details

Licence: Public Domain Mark

Credit: Researches in zoology, illustrative of the manners and economy of animals / [John Blackwall]. Source: Wellcome Collection.

    420/464 (page 402)
    blender, and of a light red-brovv,n colour ; the first pair is the longest, then the second, and the third pair is the shortest. Each tarsus is terminated by three claws ; the two superior ones are pectinated about half their length, the last tooth of the series being the longest, and the inferior one is inflected near its base. The colour of the palpi is the same as that of the legs, with the exception of the ultimate anc] penultimate joints, which are brownish black, the third and fourth joints are short, the latter being much the stronger, particularly at its anterior extremity; the fifth joint is of an oblong oval figure, pointed at its termination; it is convex and hairy above, concave within, comprising the palpal organs, which are highly developed, complicated in structure, with a long, slender, prominent spine curved upwards and somewhat outwards in a circu- lar form; they are of a brownish black colour, tinged with red. The abdomen is nearly cylindrical, and of a brownish black colour, with a white spot on each side of the medial line, on the upper part, near the cephalothorax. The plates of the spiracles are of a dark brown colour.