INDEX 



965 



Salmou, 6, 548, 641. 



— early development of, 625. 

 Salpa, 511, 611, 512, 514, 895. 



— asexual reproduction in, 509. 

 Sarcolemma, 29, 49. 

 Sarcoptes, 423, 423. 

 Sarcosporidia, 135. 



Sarsia, 204. 

 Saurians, 4. 

 Sauropsida, 5, 550. 



— Ichthyopsida and Mammalia, 723. 

 Saururae, 768. 



Saw-flies, 406. 

 Scales of Birds, 736. 



— of Fishes, 588, 590, 591, 618, 632. 



— of Mammals, 813. 



— of Reptiles, 724. 

 Scallop, 480. 

 Scalpellum, 345. 

 Scaphirhynchus, 638. 

 Scaphopoda, 467, 478. 

 Scapula, 537. 



Schistosomum haematobium, 222, 223. 



Schizocardium, 490. 



Schizocoele, 233. 



Schizocoelic, 559. 



Schizont, 126. 



Schizopoda, 350. 



Scioberetia, 481. 



Sciuromorpha, 867. 



Sciurus, 867. 



Scleroblasts, 158. 



Sclerotic, 552. 



— ossicles, 747. 

 Scolex, 224, 225. 

 Scolopendra, 369. 

 Scolopendrella, 362 368, 369, 408. 

 Scombridce, 641. 



Scorpion, 413, 413, 415. 



— -flies, 406. 

 Scorpionidae, 413. 

 Scrotum, 809. 

 Scuta, 345. 

 Scutes, 532. 

 Scutigera, 367. 

 Scyllium, 634, 634. 

 Scyphistoma, 188, 189. 

 Scyphomedusje, 173, 184, 201, 203. 

 Sea-anemone, 12, 191, 193. 



section through, 193. 



— — vertical section of, 192. 



anemones on hermit-crab, 12. 



butterflies, 474. 



cows, 845. 



cucumbers, 10, 303, 307. 



fans, 205. 



grapes, 465. 



• horse, 628, 641. 



lilies, 311. 



lion, 874. 



mat, 287. 



— -mouse, 268. 



otter, 873. 



pen, 195. 



• slugs, 474- 



snakes, 709. 



Sea-spider, 432. 



squirts (vide Tunicata), 6, 7, 46, 499, 



500. 



— -urchin 10, 300. 



apical disc of, 301. 



dissection of, 302. 



Seals, 873, 874. 

 Sebaceous glands, 813. 

 Sebastes, 628. 

 Secretin, 570. 

 Sectorial tooth, 870. 

 Sedentaria, 266. 



Segmental duct of Vertebrates, 566. 



— papilla, 272. 

 Segmentation cavity, 81. 



— of Chordata, 573. 



— of Ovum, 76. 



in Amphioxus, 525. 



in Anodonta, 455. 



in Balanoglossus, 495. 



in Chaetognatha, 281. 



in Crustacea, 357. 



in earthworm, 254, 255. 



in Echinodenus, 314. 



-in fowl, 764. 



■ in frog, 671. 



in Gasteropoda, 477. 



in haddock, 626. 



-in Hydra, 180. 



in Insects, 396. 



in Lamprey, 583. 



in lung-fish, 648. 



— - — in Monotremata, 783. 



in placental Mammals, 821. 



in rabbit, 818. 



— — in Reptilia, 717. 



in scorpion, 416." 



in skate, 607. 



— — in snail, 445. 

 in Teleosteans, 626. 



— ■ — in Vertebrata, 572. 

 modes of, 77. 



• partial peripheral, 357. 



Seison, 282. 



Selachii = Elasmobranchs, 609, 634. 



Selection, 912. 



Selenodont, 817. 



Self-fertilisation in Hydra, 178. 



— in Serranus, 628. 



— in tapeworms, 224. 



— in Trematoda, 218. 

 Sella turcica, 791. 

 Semicircular canals of ear, 548. 

 Seminal vesicle, 811. 

 Semnopithecus, 882, 885. 

 Sense organs of Amphioxus, 520. 

 of Ascidian, 503, 



of Aurelia, 183. 



— — of crayfish, 327. 

 of Crocodilia, 712, 713. 



— — - of Crustacea, 355. 



of dogfish, 613. 



of Fishes, 627, 62S. 



of frog, 661. 



— -^ of haddock. f>22. 

 of hag, 576, 577. 



