INDEX. 



235 



Ray, 66, 67, 83 



Rays of limbs, 5 



Raptores, 163, 166169 



Rear-mice, 214 



Recurvirostra avocetta, 155 157 



Red-and-green Parrots, 170 



Red Mullet, 52 



Regions, histological, 87 



morphological, 87 

 Reinhardt, Professor, 164, 167 



Eschricht, and Lilljeborg, 217, 



218 



Remarks, concluding, 225 

 Reptilia, 90 

 Reptilian characters of Monotremata, 



192 

 Reptile, 86 



true, 95, 145 



Rhea, 67, 131, 144, 182, 190, 191, 

 223 



americana, 187, 190 



macrorhyncha, 190 

 Rhinochetus, 56 



jubatus, 158160 

 Rib, intermediate, 110 

 Ribs, continuity of xiphi-sternal 

 horns with, 109 



abdominal, 123 

 Ringers, 84 

 Rissa tridactyla, 153 

 River-horse, 221 

 Rodentia, 145, 207, 210, 222 



polymorphism of, 207 

 Rodents, Sciurine, 222 

 Roller, 172, 175 

 Rolleston, Professor, 5 

 Round-headed Hassar, 23 

 Ruminantia, 215, 219222 



S. 



Salamander, American, 61 



Common, 65 



Gigantic, 60, 65 

 Salamandrine Amphibia, 197 

 Salamandra maculosa, 65 

 Salmo fario, 55 

 Salmonoid Fishes, 54, 55, 56 

 Sand-grouse, 157, 186 

 Sarcoramphus papa, 168 

 Sauria Annulata, 95 97 



Loricata, 94, 126132 



Squamata Atypica, 94, 97 100 



Sauria Squamata Typica, 94, 100 126 

 Saurians, Snake-like, 90 

 Saurii Annulati, 90 92 



Squamati Atypici, 91 94 

 Sauroid Fishes, 20 

 Sauropsida, 83 

 Scales of Fishes, 14 

 Scaly Reptiles, Atypical, 9194 

 Scisenoid Fishes, 50 

 Sciurida?, 207 

 Sciurine Rodents, 222 

 Sciurus palmarum, 207 210 

 Sclater, Dr., 167, 169, 172, 173, 175, 



176, 186 



Scolopacinse, 155 157 

 Scolopax gallanago, 155 157 



gallinula, 155 157 

 Scomberoid Fishes, 50 

 Scopinae, 163165 

 Scopus, 163, 165 



Scotophilus pipistrellus, 214, 215 

 Screech-Owl, 169 

 Sea-Horse, 30 

 Seal, 216 



Secretarius, 157, 167, 168 

 Secretary, the, 168, 169 

 Segmentation, 4 



in Sternum, first appearance 



of, 71 



of Birds' Sternum, 143 

 Sense-capsules, 3 

 Seps chalcidica, 101, 102, 103, 105, 



125 



Serpentariinse, 166 168 

 Serpentarius, 167, 168, 169 

 Shaft of long bones, 4 

 Shanny, Smooth, 48 

 Shark, 66, 67, 83 

 Shark, Shoulder-girdle of, 9 

 Sharp-nosed Eel, 54 

 Shoulder-arch, completion of, be- 

 low, 8 



-bones of Lizard, 1 



-girdle, cleavage of, into rays, 108 



confluence of, with its 



splints, 26, 28, 35, 42 



confused nomenclature 



of, 88 

 division of, 22, 44, 45, 



47,48 



formation of, 3 

 independent of the skull, 

 12 



Shoulder-girdle of exo- and endo-ske- 



letal parts of, 88 

 of Fishes, 6 

 presence of, in Amphis- 



baenians, 90 

 Prse-sternum not part 



of, 88 



similarity of, to Hip- 

 girdle, 8789 

 suspension of, in Lepi- 



dosiren, 21 

 union of, below, in Bufo, 



72 



various positions of, 87 

 plate, abortion of, in Mammalia, 



195 



-splints, absence of, inAnoura, 87 

 Shrikes, 178 

 Skate, 215 



Skates, Shoulder-girdle of, 6 

 Skeleton, accessory, 3 

 axial, 3 



cartilaginous, 3 

 fibrous, 3 

 ofTeleostei, 37 

 Skull, ganoid roof-bones of, 18 

 Sibbaldius antarcticus, 217 



Schlegelii, 218 



Siebold and Stannius, 92, 103 

 Siluroid Fishes, 23, 37, 39, 50 

 Siluroids, Fossil, 29 

 Silurus, 29 



Siredon pisciformis, 61 

 Sirenia, 218, 219, 222 

 Siren lacertina, 61 

 Sitta Europsea, 181 

 Sloth, 85, 199, 204,215 

 Smith, Dr. J. Alexander, 15, 17 

 Smooth Newt, 63 

 Smooth Shanny, 48 

 Snake-like Saurians, 90 



Saurii Squamati, 91 94 

 Somatomic differentiation, 156 

 Songsters, thick-billed, 178 



thin-billed, 178 

 Sonneurs, 84, 85 

 Sorex tetragonurus, 210 213 

 Sparrow-Hawk, 166168 

 Sperm-Whale,218 

 Sphargis, 134, 136, 137, 138, 140 



coriacea, 134 

 Spheniscinae, 145, 146 

 Spiny Globe-Fish, 36, 52 



