Experimental morphology / by Charles Benedict Davenport.

  • Charles Benedict Davenport
Date:
1897-99
Catalogue details

Licence: Public Domain Mark

Credit: Experimental morphology / by Charles Benedict Davenport. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    §3] Species. Minimum Temperatcke. Conditions of experlment. AUTHOEITT. Platy helminths. Dendrocoelum lacteum 0° to - 1° Suddenly or gradually subjected, till ice forms Roedel, '86, p. 207 MoUusca. Helix hispida - 8° During 30 minutes 191 Helix pomatia -10° Daring 600 minutes 192 Helix pomatia (-li° to -18°)+ Gradually frozen for 180 minutes, and then thawed POUCHET, '66, p. 28 Helix hortensis .... (—14° to—18°)+ During 180 minutes Helix aspera (—14° to—18°)+ 180 Planorbis — 7° 300 {A) Roedel, '86, p. 212 Limnsea - 7° 180 (A?) 212 Pulmonate embryos . 0° to -1° Died upon freezing (IF and A) 212 Limax -17°+ During 2 hours (^) PoucHET, '66, p. 26 Aimelida. Aulastomum gulo . . . - 2° During 12 to 15 hours (W) Roedel, '86, p. 206 Clepsine complanata . - 5° During90minutes( W) 213 Leech - 6° some min- utes (W) DOENHOFF,'72,p.725 Insecta. Apis mellitica -1.5° During 210 minutes 1 Roedel, '86, p. 212 Apis mellifica — 1.5° a few minutes Doenhoff, '72, p. 724 Formica rufa -1.5° 180 minutes Roedel, '86, p. 196 PelopjBus (chrysalis) . — 28° — Out-of-doors, with- stood this tempera- ture Wyman, '56, p. 157 Lema sp - 6° - 4° During 30 minutes •' 45 Roedel, '86, p. 197 PjEderus riparius . . . 197 Phytonomus sp j2° 90 197 Meloloiitha -18° + 120 (A) PoucHET, '66, p. 26 Meloloiitha (larva) . . -15° + 180 (A) 26 Cetoiiia | Hydrophilus 1 -17° + 120 {A) 26 Dytiseus - 4° 60 (A) KocHS, '90, p. 682 Vanessa cardni, larva -15° 600 Roedel, '86, p. 212 Vanessa io, larva . . . -17° + 120 POUCHET, '66. p. 27 Sinerinthtis populi . . -10° 150 Roedel, '86, p. 212 Ocneria dispar - 4° 30 212 Culex pipiens, larva . - 4° 60 212 Musca - 6° to - 10° - 5° ISO 20 Doenhoff,'72, p.725 Miisca dom Roedel, '86, p. 201 Various insects .... 0° 2 to 30 minutes Plateau, '72, p. 98 (on ice)
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