INDEX 



Branchipus, muscle attachment, 66. 



Breathing apparatus, 320. 



Bufo, mucous gland, 393; poison or odorous 



gland, 403. 

 Byssus, of mollusks, 411 ; of ^Enigma, 412. 



Caddis fly, nephridia, 344. 



Calcium phosphate cells, of Mesodon, 356. 



Calla, root-cap cell, 10. 



Calliteuthes, light organ, 127. 



Catnbarus, digestive gland, 298. 



Canaliculi, bone, 72. 



Cancer (multipolar mitosis), 26. 



Capillaries, 149. 



Carchesium, 15. 



Cardiac muscle, 92. 



Carotid gland, 304. 



Carpio, invagination of stomach epithelium, 

 5 1 - 



Cartilage, 68; elastic, 70; fibrous, 70; hya- 

 line, 69; of Loligo, 68-69. 



Cassiopea, muscles, 88. 



Castania, supporting cells, 59. 



Catostomus, muscle, 81-84; muscle histo- 

 genesis, 88-91. 



Cavia, auditory tissues, 220; organ of Corti, 



222. 



Cell, i-n; false, 6. 



Cell -axis, 10. 



Cell-membrane, 1 1 . 



Cell-plate, 25. 



Cell-shape, 12. 



Cell-size, n. 



Cell- wall, n. 



Cellulose, of Euspongia, 67. 



Cement substance, 77, 84. 



Centriole, 10. 



Centrosome, 8, 10; in nerve cell, 186. 



Cercaria, muscle cell, 103. 



Cerebratulus, digestive tissues, 297; blood 



vessels, 152; heart muscle, 93; muscle, 



98; unicellular gland, 52. 

 Charybdea, eye, 230. 

 Chauliodus, light organ, 137. 

 Chief cells, of enteron, 300. 

 Chironomus, auditory tissues, 218-219. 

 Chloragogenic cells, 343, 355. 

 Chloroplast, 9. 



Chordotonal organs, 216-217. 

 Chromaffine cells, 313. 

 Chromatin, 6-7. 

 Chromatin, knot, 8, 181. 

 Chromophyllic substance, 183. 

 Chromosome, 23; valency of, 24. 

 Cilia, 47, 103- 

 Circulatory tissues, 143. 

 Claudius, cells of, 221. 

 Claw, of mammal, 385. 

 Clitellum, of earthworm, 482. 

 Cnidocil, 377. 



Coagulation, of blood, 163; in Crustacea, 164. 

 Coccygeal gland, 304. 

 Cochlea, 220. 

 Ccelomic excretion, 353. 



Collecting fluids, of urates, 341. 



Colostrum corpuscles, 500. 



Columba, acid cells, 301 ; intestine, 296. 



Conductions, nervous, 174. 



Conjugation, of gametes, 418. 



Conjunctiva, of alligator, 397. 



Connective tissues, 56; higher forms, 63; 



simple forms, 61. 

 Contractile vacuole, 339. 

 Contraction stage of reproductive cells, 424. 

 Cornea, of eye, 226. 

 Corpus cavernosum, 490. 

 Corrugation, 49. 

 Corti, organ of, 221. 

 Crotalis, poison apparatus, 384. 

 Cryptobranchus, pigment, 275-276. 

 Cuticle, 360; specializations of, 364. 

 Cyclas, static tissue, 209; ciliated epithelium, 



47- 

 Cytoplasm, 6, 8. 



Deiter's cells, 222. 



Dendrite (of nerve cell), 1 76. 



Desmochondria, 43. 



Desmognathus, nidamental tube, 486; nurse 



cell, 430. 



Diadema, eye, 233-234; spine, 377. 

 Didelphys, tonsil, 307-308. 

 Differentiation, of reproductive cells, 20; of 



tissues, 19; of somatic cells, degrees, 422. 

 Digestive tissues, 297; Mesodon, 299; Am- 



phioxus, 299. 

 Dicecious organisms, 419. 

 Direct cell division, 37. 

 Discharge, of secreted material, 5. 

 Duct, 53. 



Ductless gland, 304. 

 Duodenum, of pigeon, 296. 

 Dyads, dyad chromosomes, 462. 

 Dysatis, poisoned spine, 383. 

 Dytiscus, ocellus, 237. 



Ectoderm, 21. 

 Ectoplasm, 15. 



Efferent process, of nerve cell, 176. 

 Egg follicle, many -layered, 458; single- 

 layered, 455. 

 Egg tubules, 469. 

 Electric connective tissue, 108. 

 Electric nerve-ending, 107. 

 Electric reticulum, 1 1 1 . 

 Electric rods, 107, in. 

 Electric tissue, 105; histogenesis, 113. 

 Electrichondria, 107. 

 Electroblast, 106. 

 Electrolemma, 107. 

 Electroplax, 105. 

 Eledone, visual tissues, 251. 

 End-knob, of spermatozoon, 429. 

 End-organ, of nerve cell, 174. 

 End-piece, of spermatozoon, 429. 

 Endoderm, 21. 

 Endoplasm, 15. 

 Engelmann's theory, muscle, 77. 



