On Indian Deep-sea Dredtjhvj. IIU 



Dimeiisioiis of the type, an adult female in alcohol, some- 

 what elongated by compression in the stomach of its original 

 collector : — 



Head and body 120 millim., tail G8, hind foot 21, ear 

 (above crown) 12 ; heel to front of last foot-pad 9'3 ; length 

 of last foot-pad 2'2 ; hairy part of sole 7. 



Skull : basal length 2G"5, tip of nasals to back of inter- 

 parietal 27; greatest breadth 16; nasals, length 9*1, breadth 

 3"7 ; interorbital breadth 4; inter^>arietal, length 4, breadth 

 8'3 ; diastemas; length of u])per molar series 6*9 ; anterior 

 palatine foramina G. 



Ilab. Kia-ting-fu, West Sze-chucn {A. E. Pratt^ Esq.). 



XV. — Natural History Notes from H.M. Indian Marine 

 Survey Steamer * Investigator ^^ Commander R. F. Hoskyn, 

 B.N, commanding. — Series II., No. 1. On the Results of 

 Deep-sea Dredging during the Season 1890-91. By J. 

 Wood-Mason, Superintendent of the Indian Museum, and 

 Professor of Comparative Anatomy in the Medical College 

 of Bengal, and A. Alcock, M.B., Surgeon I.M.S., Sur- 

 geon-Naturalist to the Survey. 



[Coutimieel from p. 34. J 



Family Macrnridae. 

 Macrurus, B1. 



Subgenus Ccelorhynchus, Giorna. 



24. Macrurus quadricristatus, sp. n. 



B. 6. D. 11. A. circ. 90. P. 16. V. 7. 



Head like that of Trachyrhynchus and much exceeding the 

 rest of the trunk in all three dimensions ; tail very low, com- 

 pressed, and tapering. 



The head is more than three times the rest of the trunk in 

 length, and nearly one third the total. The depressed snout 

 is exceedingly long and acutely triangular ; its length, which 

 is nearly half that of the head, is more than twice the major 

 diameter of the large oval eye and twice the width of the 

 interorbital space across the middle ; six sevenths of its total 



