Text book of zoology / by J.E.V. Boas ; translated by J.W. Kirkaldy and E.C. Pollard.

Date:
1896
Catalogue details

Licence: Public Domain Mark

Credit: Text book of zoology / by J.E.V. Boas ; translated by J.W. Kirkaldy and E.C. Pollard. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    ^'iQ- PAGE 226. Pulex irritans 278 227. Diagram of the anatomy of a Spider 279 228. Alimentary canal of a Spider 280 229. Sexual apparatus of one of the Phalangiidse 281 230. A Scorpion 282 231. Diagram of the anatomy of a Tyroglyphus . 284 232. Female of Pentastomum tmnio'ides 285 233. Pycnogonum 286 234. Diagrammatic figure of a Tardigi-ade 286 235. Portion of the radula of a Cephalopod 288 236. Diagrammatic longitudinal section of the mouth of a Gastropod . 288 237. Diagi'am of the central nervous system in various MoUusca . . . 289 238. Chiton 291 239. Diagrammatic fig^e of a Gastropod . 292 240. Diagrams of various forms of Gastropod shells 292 241. The shells of two examples of a tropical land Snail 293 242. Shell of a Snail (Paludina) 293 243. Diagram of the nervous system in relation to the alimentary canal . . 296 244. Male Periwinkle 298 245. Female Periwinkle 299 246. Diagram of the genitalia of various Gastropods 300 247. Larva of a Gastropod 301 248. Carinaria ............. 303 249. Cleodora 304 250. Cleodora 304 251. Pne^imodermon 304 252. A transverse section through a Lamellibranch • 306 253. Transverse sections thi-ough two Lamellibranchs 307 254. Lamellibranch removed from the shell 308 255. Tapes decussatus 308 256. Right sheU valves of two different Lamellibranchs 309 257. Diagrammatic transverse sections through the shell of Lamellibranchs with internal {A, A') and external {B, B') ligaments .... 311 258. Diagi-ammatic longitiidinal section of a Lamellibranch .... 313 259. Larvffi of Cardium 313 260. Mya arenaria '^^^ 261. Teredo navalis 262. Diagram of a decapodous Cephalopod 316 263. Nautilus '^^'^ 264. Diagrammatic figiu-es of various Cephalopod shells 318 265. Diagrammatic transverse sections through the eyes of various Cephalopoda 319 266. Diagram of the heart, etc., of a Cephalopod 320 267. An octopodous Decapod in wliich the hectocotylised portion of the right arm is very well developed '^^^ 268. Diagi-ammatic figures to illustrate the relations between the Chitons and the Cephalopods _ 269. Diagi-am of a vertebra and the parts connected with it ... • 32fa 270 Diagram of the skeleton of the fore-limb of a higher Vertebrate . . 328 271. Longitudinal section of a ]Oint • •