X}1 



INDEX. 



Pal;\>ornis cyanoecpliala (z. s. l.), 303, 



Pathology. 



The function oC Pathological stales 

 in Evolution, 237; Diagnosis of 

 Helminth infections, 308. 



Pisces : 



On two new Elasmobranch Fishes : 

 systematic, 231 ; Account of the 

 Freshwater Fishes of Gi-eat 

 Britain, 303. 



Protospinacidge, fam. n., 232. 



Protospinax, gen. n., 233. 



annectans, sp. n., 233. 



Python reticuhxtus (z. s, i..), 309. 



Eeptilia : 



Comparison between the lower jaws 

 of the Cynoclont Reptiles Gomjjho- 

 gnathus and Cipiognaihus: struc- 

 ture, 197; On Hermaphroditism in 

 a Lizard : structure, 223 ; Mada- 

 gascar Frogs of the genus Manti- 

 dactylus : structure, systematic. 



257 ; On Sci/mouria, the most 

 primitive known reptile : structure, 

 267. 



Structure. 



Mammalia: On a new genus of ex- 

 tinct Muscardine Rodent from the 

 Balearic Islands, 209. 

 Rei'tilta : Comparison between the 

 lower jaws of the Cynodont Rep- 

 tiles Gompliognafhus and Cyno- 

 gnathus, 197 ; On Hermaphro- 

 ditism in a Lizard, 223; Mada- 

 gascar Frogs of the genus Manti- 

 dacfylus, systematic, 267 ; On 

 8eymouria, the most ])rimitive 

 known reptile: structure, 267. 

 MoLLUSCA : Ciliary action in Pleuro- 

 brachia pileus, 263. 



Taurotragus oryx (z. s. l.), 307. 



PRINTED IIY TAYI.0E AND FRANCIS, RED l.:0N COURT, FLEET STRKET. 



