EINAR LÖNNBERG, THE GENUS POTAMOCHCERUS. 



Distance 

 from tip 



Distance Distance 

 from or- from 



TTT-JJ.I, f Greatest of post- i^, , , ^\idth at ^ ^ ^^. ■ bit to hmdsur- 

 Width of .,,, , f.^ , Greatest , ,. L.east m- „ ,^ , ^ ^ ^^ 



. , , width at orbital postorbi- ,, ,. frontend face of 



parietal i, ■, -, ■ ^ zygoma- >, -, terorbi- » 3 i. ±- 



.f . lambdoid process \.. .,,, tal pro- , , .,,, ot naso- Jtr to tip 



flat area ^ / , , tic width ^ tal width ' » ^ 



crest to lamb-i 

 doid 

 crest 



premax- of pre- 



illary su- maxil- 



ture lary 



Least 

 width of 

 skull be-l 

 Length tween | 

 of m^ {lambdoid i 

 erestsand! 

 zygoma- 

 tic arch , 



42 

 44 



47 



58 



40 



91 



85 



102 



164 



100 (v) 184 



103 179 



97 — 



104 



107 

 116 



80 



80 



199 

 190 



209 



198 224 

 204 I 229 

 200 — 



30 



32 



30 



64 



73 



72 



193 

 197 



185 



175 



169 



213 31 

 209 31 



203 27 



193 



29 



80 

 76 



69 



59 



58 



142 



61 



179 195 



30 



55,5 



46 



80 i 



203 



74- 195 



175 



224 31,5 , — 



210 29 01 



206 27,5 65 



I I 



