X LIST OF ILLUSTEATIONS. 



Facing 

 Page. 



41. Skull of Procapra altaica from Suok Plains 532 



42. Skull and teeth of Procapra altaica from Suo k Plains 532 



43. New land shells from the Philippine Islands 554 



44. A new fossil fern of the genus Gleichenia 555 



45. Cirrhoscyllium expolitum 567 



46. Atherinops oregonia, new species 575 



47. Eridacnis radcUffei 599 



48. Polished sections of ore 626 



49. Photomicrographs of polished ore sections 626 



50. Protomicrographs of polished ore sections 626 



51. Photomicrographs of polished ore sections 626 



52. Beaked whale, Mesoplodon mirum 658 



53. Views of head of beaked whale 658 



54. Superior view of skull of beaked whale 658 



55. Interior view of skull of beaked whale 658 



56. Lateral view of skull of beaked whale 658 



57. Views of mandible of beaked whale - 658 



TEXT FIGURES. 



Page. 



Diagram showing the form and relationships of the individual bones of the 



skull of Tupaia as determined by examination of young individuals 8 



Diagram illustrating the rhinarium (1) in the genera Tana and Urogale (2) in 



the genera Tupaia, Anathana, and Dendrogale 31 



Palmar surface of right forefoot and plantar surface of right hindfoot of Tupaia 

 glis ferruginea. Hy. thn. hypothenar pad; i. d}, %. d.^, i. d.^, i. d.*, first, 

 second, third, and fourth interdigital pads; prx. e, proximal external pad; 



prx. in, proximal internal pad; then, thenar pad 32 



Tupaia glis ferruginea, Tapanuli Bay, Sumatra 33 



Tupaia glis fen'uginea, Upper and lower toothrows X2^. Tapanuli Bay, 



Sumatra 33 



Map of the Malay region, showing the distribution of the forms of the genus 



Tupaia, excepting the members of the gracilis, javanica, and minor groups. . . 75 

 Map of the Malay region, showing the distribution of the minor, gracilis, and 

 javanica groups of the genus Tupaia. 1. Tupaia javanica; 2. T. minor 

 minor; 3. T. minor malaccana; 4. T. minor sincipis; 5. T. gracilis gracilis; 



6. T. gracilis inflata; 7. T. gracilis edarata Ill 



Anathana wroughtoni. British Museum, Mandvi, India 120 



Upper and lower toothrows of Anathana wroughtoni. British Museum, Mandvi, 



India 121 



Map showing the distribution of the genus Anathana, contrasted with the dis- 

 tribution of Tupaia on the Asiatic Continent. 1. Anathana ellioti; 2. A. 



wroughtoni; 3. A. pallida; T. genus Tupaia 125 



Dendrogale melanura melanura, type Xli 127 



Upper and lower toothrows of Dendrogale melanura melanura, X3| 128 



Map of the Malay region, showing the distribution of the genera Dendrogale 

 and Ptilocercus. A. — Dendrogale frenata; B. — D. inurina; M-D. melanura 

 melanura; N-D. melanura baluensis; 2. Ptilocercus lowii lowii; 3. P. lowii 



continentis 133 



Tana tana besara, type XI 135 



Upper and lower toothrows of Tana tana besara, type X2 135 



