9. PSBITDOCHIRITS. 



175 



Ps. peregrinus, the white extending over about the terminal 5 or 6 

 inches ; the basal part dark brown ; naked part below tip about 

 4 inches long, smooth, not shagreened. 



Shull (PI. XVIII. fig. 6 and PI. XIX. fig. 3). Nasal notch 

 shallow, the tips of the nasals only projecting about 5 or 6 miUim. 

 beyond their junction with the premaxillsa. Naso-premaxillary 

 much longer than naso-maxillary suture. Upper surface of nasals 

 flat, not vaulted. Interorbital region slightly concave in the middle 

 line ; less markedly constricted than in Ps. peregrinus ; its edges 

 smoothly rounded and inflated, but less so than in Ps. cooki. 

 Anterior palatine foramina reaching to the level of the hinder edge 

 of p.' Posterior palate with large vacuities. Bullae large and 

 transparent. 



Teeth apparently quite similar to those of the last species, except 

 that they are rather larger and heavier throughout. Internal 

 antero-posterior length of m.* about 4 miUim. 



?• 



e (skin). 



Adult. 



millim. 



Head and body 335 



Tail 310 



Lower leg (c.) 85 



Hind foot 48 



Ear 25 



Skull, see p. 185. 



Hah. "Western Australia. 

 Type in collection. 



lAd.sk. I „ 

 ) Skull. !+• 

 Yg. sk., 6. 

 tAd.sk. I p 

 ) Skull. ( +• 

 ) Imm. sk.* ) , 

 ] Skull. f ^• 



Mskuu!"" I ?' 27/2/40. 



^■{skr'-l<^'2o/2/5«- 



Perth, W. A. {J, Gilbert). Gould Coll. 



Perth, W. A. (J: Gilbert). Gould Coll. 



Swan R., W. A. (J. Gil- Gould OoU. 



bert). 



Swan R., W. A. (J. Gil- Gould Coll. 



bei-t). 



King George's Sound, W. Gould Coll. 



A. (J. Gilbert). (Type of species.) 



King George's Sound, W. Gould CoU. 



A. (J. Gilbert). 



King George's Sound, F. M. Rayner, 



W. A. ( Voy. < ReraU '). Esq. [P.&C.]. 



* Melanistic ; apparently the specimen referred to by Gould, Mamm. Austr. 

 i. text to pi. xviii. p. 2. 



