INDEX. 



267 



Reproduction. 

 Reproduction in Reptiles, Ixi, 

 Reptiles, Iv. 



— relation of, to Birds, 175. 

 Retia mirabilia, 61, 149. 

 Rhabdocoelous Turbellaria, cxli. 

 Rhea, li. 

 y Rhinocryptis, Ixxiii. 

 -'' Rhizopoda, clxv, clxvi. 



Rhynchocoelous Turbellaria, cxli. 

 Rodentia, xlv. 

 Rotifera, cxxxviii-cxl. 

 Ruminantia, 160. 



,y Saccobranchus, Ixxiv. 

 Salicornaria, 73. 



Salivary glands, xlv, lii, Iviii, Ixxi. 

 Salmonidae, Ixxix ; 45. 

 Sarcode, clx. 

 Sars, 145, 229. 

 Sauria, Ivii. 

 Sauropsida, xlvii, Iv. 

 Savigny, c. 



Scaphirhynchus, Ixxxii. 

 Schraarda, 155. 

 Schmidt, O., xxi. 

 Schneider, cxxxv. 

 Schultze, F. E., 129. 

 Sciuri, 172. 

 Sclerotic, bony, 18. 

 Scolex, 136. 

 Scolopendridae, cxv. 

 Scorpiouidae, csi ; 109, no, 117. 

 Scutigera, cxv. 



Segmental organs in Annulata, cxxv; 

 126. 



— modified to serve as efferent genera- 



tive ducts, cxxx ; 21.5. 

 Semper, xviii ; 154,229. 

 Samper's organ, 53, 189. 

 Sensory organs in lateral line of Fish, 



Ixxvii. 



— on anterior segments in Leech, 128, 



129. 



Sepia, Ixxxix. 



Serialaria, ciii. 



Serpula, cxxviii. 



Serranus, Ixxix. 



Sertularia abietina, 160. 



Setae, 122. 

 .~- Setiparous glands, 125. 

 ^ Sharks, Ixix. 



; Sharpey, Dr., 143, 228. 

 [shell in Mollusca, 47, 48, 54-57. 



Siluroideae, Ixxv. 



Simiadae, xlv ; 170. 



Siphonizantia, cxv. 



Siphonostomimi, cxxviii. 



Sipunculidae, cxxxii ; 154. 



Slug, 187-191. 



Solenobia, cxii. 



Teeth of Rodents. 

 Spencer, Mr. Herbert, cxxii, civ. 

 Sphaerodorum, 157. 

 Sphaerularia, cxxxvi. 

 Sphingidae, 74. 

 Spbyrocephalus, 155. 

 Spicula, 163. 

 Spinneret, 75-80. 

 Spio, cxxviii. 

 Spirachtha, abdominal appendages" of, 



cix. 

 Spiracle, 74. 

 Spirorbis, 161. 

 Spirula, Ixxxix. 

 Spleen, 3, 168, 171, 184. 



— absent in Marsipobranchii, Ixxxiii. 

 Spondylus, xcvii ; 191. 

 Spongiadae, clxvi. 



Spongilla, 163. 

 Squalidae, Ixxix, 

 / Squamata, Ivi. 

 JSquUlina, loi. 

 Staurocephali, cxxix. 

 Sternaspidea, cxxxii. 

 Sternum in Amphibia, Ixiii. 



— absent in Fishes, Ixviii. 

 ^rStomatogastric nerves, absent in Ano- 



dontophorous Mollusca, xcvii. 



— present in Odontophora, xc. 



— in Arthropoda, cvi. 



— undergo little change in the metamor- 



phosis in Insects, 79- 



— peculiarities of in Crustacea, 107. 



— in Oniscus, 112. 

 tStomias, Ixxviii. 



Strepsiptera, cxi. 

 Strobile in Taeniadae, 137. 

 Strombidae, xcii. 

 Strongylostoma, cxxvi. 

 Struthio, li. 

 Sturgeon, Ixix. 

 Suspensoriiun, Ixii, Ixx ; 43. 

 Swimmeret, 90. 



Sympathetic nerve-system in Verte- 

 brata, xxxvii. 



— in Fishes, Ixxvii. 



— absent in Marsipobranchii, Ixxxiii. 



— absent in Lamellibranchiata, xcvii. 

 Syllidea, cxxvi. 



Synapta, Ixxxvi, cxxviii. 

 Synaptidae, 147. 



N/ ^- 



Tables of Classification, xxvii-xxx. 



— of Homologies, no, 116, 117. 

 Taeniadae, 136-140. 



Tarsus of Birds, li ; 1 7, 18. 

 Teeth of Mammals, xliv. 



— of Reptiles, Ixviii. 



— of Amphibia, Ixiii. 



— of Fishes, Ixxi. 



— of Rodents, 6. 



T2 



