1890.] 



ON THE DOMESTIC DOG. 



L. hessica may therefore be provisionally defined as an Otter 

 of the approximate size of L. ellioti, with a somewhat larger inner 

 cusp and cingulum to the lower rarnassial, in which the inner wall 

 of the talon is ako rather hi";her. 



A. Outer Tiew of restored mandible of Lv.tra hesslra. B. Inner and oral views 

 of mTT and pm. 4 of L. ellioti. C. Ditto of L. hessica. D. Ditto of 

 L. ciiierea. 



I may add that the matrix adhering to the specimen as well as the 

 characters of the bone itself agree with those of other Eppelsheim 

 fossils so that I have no doubt as to the correctness of the 

 locality assigned to this fossil. 



2. On some Cranial and Dental Characters of the Domestic 

 Dog. By Bertram C. A. Windle, M.A., M.D., Pro- 

 fessor of Anatomy in the Queen's College, Birmingham,, 

 and John Humphreys, L.D.S., Lecturer on Dental 

 Anatomy and Physiology in the same College. 



[Eeceived NoTember 19, 1889.] 



The observations upon which the following remarks are based 

 were commenced more than three years ago. After they had been 

 carried on for some time we became aware of Professor Huxley's 

 paper "On the Cranial and Dental Characters of the Canidce" ^ the 

 remark at the end of which, that the author " deferred the con- 

 sideration of the origin and relations of the domestic dogs until the 

 evidence which he was collecting was more complete," would hav& 



1 Proc. Zool. Soc. 1880, p. 238. 



