11 



26. The crown of a left canine tooth of the Ursus spelceus. 



27. The left upper canine of a large species of Bear with the crown nearly 

 worn away, evidently by use. From one of the limestone caverns at 

 Oreston, discovered in the year 1820. 



Presented by Joseph Whidbey, Esq., Civil Engineer. 



28. The left lower canine of the same species of Bear, from the same locality. 



Presented by Joseph JVhidbey, Esq., Civil Engineer. 



29. The penultimate molar of the left side of the lower jaw of the same species 



of Bear, from the same locality ; it is shorter and broader than the corre- 

 sponding tooth of the Ursus spelceus. 



30. The penultimate molar of the right side of the upper jaw, of the same 



species of Bear, from the same locality : the crown is shorter and broader, 

 and the fangs are smaller than in the Ursus spelceus; the tuberculated sur- 

 face is much worn, indicating the tooth to have belonged to an aged in- 

 dividual. From the Oreston cavern, discovered in 1820. 



Presented by Joseph Whidbey, Esq., Civil Engineer. 



31. The penultimate molar, left side, upper jaw, of the Ursus spelceus. 



32. The last molar, left side, upper jaw, of the Ursus spelceus. 



33. The left posterior and superior molar tooth of the Ursus spelceus. 



34. A similar specimen with the tuberculated surface, beautifully entire. 



35. The right posterior molar, upper jaw, of the Cave Bear. This specimen 



was numbered 'r. 14' in the original Hunterian Catalogue of Fossils, in 

 which it is stated to be from Bauman's cavern in the Hartz Forest, 

 Germany. 



36. The second molar tooth, right side, lower jaw, of the Ursus spelceus. 



37- The anterior extremity of the left ramus of the lower jaw of the Ursus 

 priscus (Goldfuss). The canine is in place, but the summit of the crown 

 is broken oiF; immediately behind the canine is the socket of the first 

 small spurious molar ; the second molar is in place, in which the third 

 or posterior inner tubercle and the posterior part of the grinding surface 

 of the crown are both more elevated than in the corresponding unworn 



c 2 



