MAKCUSENIUS. 61 



Synopsis of the Species . 



I. Anal originating in advance of dorsal. 



A. Teeth ^ ; lat. 1. 49-53 ; depth of body 3-3£ times in total length ; caudal 



peduncle 3-3| times as long as deep, 12 scales round it. 

 D. 20-22 ; A. 26-27 ; caudal peduncle § to | length [p. 63. 



of head 1. M. nigripinnis, Blgr., 



D. 23-25 ; A. 28-29 ; caudal peduncle § to f length [p. 63. 



of head 2. M. pulverulentus, Blgr., 



B. Teeth jg. 



1. 12-14 scales round caudal peduncle. 



a. Depth of body at least 3i times in total length. 



a. Base of anal not more than once and \ that of dorsal. 

 D. 22-24 ; A. 30-31 ; 1. 1. G2 ; depth of body 34- 



4 times in total length ; caudal peduncle 4-5 



times as long as deep 3. M. marcldi, Sauv., p. 64. 



D. 16-20 ; A. 21-26 ; I. 1. 55-65 ; depth of body 



4—5 times in total length ; caudal peduncle 



2-^-3 times as long as deep 4. M. kingslei/ce, Gthr., p. 65. 



D. 17-21 ; A. 24-26 ; 1. 1. 67-90 ; depth of body 



5-6 times in total length ; caudal peduncle 



3-3-^ times as long as deep 5. M. spliecodes, Sauv.. p. 66. 



j3. Base of anal at least once and f that of dorsal. 

 D. 15-18 ; A. 25-30 ; 1. 1. 58-64 ; depth of body 



4^-5^ times in total length ; caudal peduncle 



2^-3 times as long as deep 6. M. brachistiiis, Gill, p. 67. 



D. 14-16 ; A. 31-33; 1. 1. 60-66 ; depth of body 



5-5f times in total length ; caudal peduncle [p. 69. 



3-3^ times as long as deep ....... 7. M. Itmgianalis, Blgr., 



!>. Depth of body 3-34 times in total length. 

 D. 18-20 ; A. 25-28 ; 1. 1. 48-50; caudal peduncle 



shorter than head, 2-2-| times as long as 



deep 8. M. Ihnysii, Stdr., p. 70. 



D. 20-22 ; A. 26-29 ; 1. 1. 46-56; caudal peduncle 



nearly as long as head, 3 times as long as deep. 9. M. adspersus, Gthr., p. 70. 

 D. 28 ; A. 31 ; 1. 1. 45 ; caudal peduncle a little 



shorter than head, 3 times as long as deep . . 10. M. weeksii, Blgr., p. 71. 



2. 16-20 scales round caudal peduncle. 



a. Depth of body 4-5 times in total length. 

 D. 16-17 ; A. 22-23 ; 1.1. 68-70 ; caudal peduncle 

 2-i-2jj times as long as deep ; eye about half 

 length of snout 11. M. hates'ri, Blgr., p. 72. 



