40 Mamm. 
MAMMALIA. 
to light being mostly recent species. He also comments on and explains 
the extinction of Sarcophilus and Thylucinus on the continent, and their 
survival on the island. 
403. Winwood, H. H. List of Fossil Mammalia found near Bath. 
P. Bath N. H. & Ant. Club, vi, p. 1)5. 
Supplement to a paper by Charles Moore in 1869, read before the same 
club, giving the list of fossil Mammalia found since that time. 
404. Woldrich, J. N. Zur Frage fiber die Abstammung der europii- 
ischen Hunderacen. Anz. Ak. Wien, 1886, pp. 1^-16. 
405. Woodward, H. Prof. E. D. Cope, on a New Type of Perissodactyle 
Ungulate from the AVasateh Eocene of the Wyoming Territory, 
United States of North America. Geol. Mag. (3) iii, pp. 49-52, pi. ii. 
Description of Cope’s remarkable form Phenacodus. 
406. . Recent and Fossil Hippopotami. T. c. pp. 114-118, pi. iii. 
Besides the two recent species, H. amphibius and H. liberiensis, the 
author mentions 3 species from the Siwaliks, one (pleistocene) from 
Algeria, 1 (//. minutus ) from Malta, and 1 (77. pentlandi) from near 
Palermo, in Sicily. 
III.— SUMMARY OF WORK ON THE GENERAL 
SUBJECT. 
1. Comparative Anatomy. 
(a.) Epidermic Structures. 
Allen (13). On the arrangement of the cusps of the molars in dif- 
ferent Mammals. 
Canalis (61). On the development of teeth in Mammals. 
(b.) Osteology. 
Anderson (20). On the pelvisternum. 
Bardeleben (30a). On the carpus and tarsus. 
Baur (34). On the homologies of the Mammalian ear-bones, and on 
the quadrate in Mammals. 
(33). On the morphology of the Amuiote vertebra. 
(31). On the canals in the Amniote humerus. 
Ficalbi (113). On the interparietal and parieto-frontal in Mammals. 
(114). On the centres of ossification in the periotic capsule of 
Mammals. 
Keiirer (172). On the morphology of the carpus and tarsus. 
Lavocat (200). On the vertebral column of Vertebrates. 
Leboucq(201). On the morphology of theMammalian tarsus and carpus. 
Retterer (311). On the formation of articular cavities. 
Rosenberg (318). On the vertebral column of Mammals. 
Tornier (373). On the elbow-joint, and its relation to phylogeuy. 
