S JO VRNA L, B 0MB A Y NA TUBAL HIST. SO CIETY, Vol. XX VI. 



Order III. — Tnsectivoka. 



The following is a key to the four families of this Order, viz. : — 

 A. — Postorbital processes present ; orbital 



ring encircled by bone ... ... 1. TuPAiiD^. 



B. — Postorbital processes absent. 



a. Crowns of first and second upper molara 



with a central fifth cusp ; bullse imper- 

 fect ... ... ... ... ... II. Erenaoeidjs. 



b. No central fifth cusp on first and second 



upper molars. 



a\ Zygomatic arches present; bulla9 



ossified ... ... ... ... III. TALPiDiB. 



&\ Noz3'gomatic arches ; bullaa 



imperfect... ... ... ... IV. SORICID^. 



Family I. — Tupaiid^. 



Lyon has recently dealt with this Family in an exhaustive 

 monograph (Proc. U. S. Nat. Mus. xiv., p. 1., 1913). He estab- 

 lislies a separate genus for the Peninsular forms occurring 

 wesb of the Hiver Ganges, and distinguishes the two genera as 

 follows : — 



Ket) to the genera of the TupaiiDjE. 



A. — Lower lobe of ear presenting a surface 

 greater than upper half of ear ; inner 

 side of ear fairly well haired ; reticula- 

 tions on naked area of nose coarser. ... I. Anathana. 



B. — Lower lobe of ear presenting a smaller 

 surface than upper portion of ear; 

 inner side of ear scantily haired ; reti- 

 culations on naked area of nose fiuer. II. Tupaia. 



Gen. I.— Anathana. 



Lyon recognises three species 

 No. 101. ellioti, Waterh. which he distinguishes aa fol- 



lows : — 



Key to the species of Anathana. 



A. — Tail coloured like back; general colour 



above reddish brown ; feet and hind 



legs buff or ochraceous ... ... 1. ellioti, Waterh. 



/?. — Tail coloured differently from the back. 



