INDEX 



623 



394 ; muscular system, 369, 

 390, 392 ; enteric canal, 370, 

 390 ; gills, 374, 388 ; kidney, 

 375, 393 ; blood-system, 375, 

 389 ; nervous system, 379, 

 392 ; sense-organs, 380, 393 ; 

 reproductive organs, 382, 3'JO ; 

 development, 383, 581 



Creation, 221 



Cribriform plate, 491 



Cricoid cartilage, 517 



Crop, 335 



Cross-fertilisation, 348 



Crura cerebri, 157, 459, 530, 590 



Crustacea, 297, 386 



Crystalline lens, see Lens of Eye 



Crystalline style, 401 



Ctenidia, 398 ' 



Cutaneous glands : Frog, 129 ; 

 Rabbit, 484 



Cuticle : in unicellular animals, 

 251, 264, 269, 286; in multi- 

 cellular animals, 313, 328, 369 



Cyst, see Cell-wall and Encys- 

 tation 



Cystic duct, see Bile-duct 



Cytoplasm, 558 



Daughter-cells and nuclei, 250, 



254, 562 

 Death, n, 152, 236 

 Decalcifying, directions for, 137 

 Deeidua, 613 

 Decomposition, n, 152 ; and 



see Putrefaction 

 Degeneration, 421 ; and see 



Vestige 



Dehydrating, directions for, 137 

 Dendron, 167 

 Dental formula, 511 

 Dental lamina and papilla, 445 

 Denticles (Nereis), 352 

 Dentine, 445, 510 

 Deric epithelium, see Epiderm 

 Derm, 128, 369, 433, 485 

 Dermal teeth, 434 



Descent, doctrine of, see Evolu- 

 tion 



Development, meaning of the 

 term, 9, 276, 284. For develop- 

 ment of the various multi- 

 cellular types, see under 

 their names. Practical work 

 212-214, 615 



Dialyser, 73, 77 



Diaphragm, 483, 506 



Diastema, 507 



Diastole of heart, 90 ; of con- 

 tractile vacuole, 265 



Diencephalon, 157, 459, 529, 590 



Differentiation, 204, 206, 237. 

 261 



Diffusion, 73, 305, 336, 613 



Digestion, 68, 233 ; intra- and 

 extra-cellular, 305, 336 



Digestive glands, 373, 401, and 

 see Digestion, Enteric canal, 

 Liver, Glands, Pancreas 



Digestive system, see Enteric 

 canal 



Digits, 50, 502, 505 



Dimorphic, Dimorphism, 250 



Dioecious, 320, 382 



Diploblastic 298, 311 



Directions for dissecting, 14 ; for 

 drawing, 14 ; for killing, 31, 

 239, 259, 278, 293, 324, 354, 

 386, 412, 542 ; for preparing 

 skeletons, 53, 394, 472, 542 ; 

 for injecting blood-vessels, 99, 

 389, 414, 474, 543 ; for micro- 

 scopic work, 119', for his- 

 tological and embryological 

 work, 135, 575, 615 



Disc of Vorticella, 271 



Discoid segmentation, 575 



Dispersal, 274, 283, 287 



Dissecting instruments, etc., 12 



Distal, 6 



Distribution of food-materials, 

 148 



Divergence of character, 223 



Division of physiological labour, 

 206, 238 



DOGFISH : General characters, 

 431 ; exoskeleton, 433, 472 ; 



QQ2 



