17. TRYrATTCHEN. 137 



Third Group. TRYPAUCHENINA. 



The two dorsal fins united into one. Vertebrse 10/24. 



17. TRYPAUCHEN. 



Trypauchen, Cuv. Sf Veil. xii. p. 152. 



Body elongate, covered with minute scales; head rather com- 

 pressed. A deep cavity above the operculum, not communicating with 

 the branchial cavity. Teeth in a band, without canines. One dorsal, 

 the spinous portion composed of six spines ; dorsal and anal con- 

 tinuous with the caudal. Ventral fins united. 



East Indian Seas. 



1. Trjrpauchen vagina. 



Gobius vagina, £1. Sc?i)i. p. 73. 



Gobioides ruber, Buck. Ham. pp. .38, 365. 



Tr^'pauchen vagina, Cur. fy Veil. xii. p. 153. pi. 351 ; Richards. Ichth. 



Chin. p. 206 ; BleeJcer, Verhand. Batav. Genootsch. xxii., Blenn. en 



Gob. pp. 5, 37 ; Cantor, Caial. p. 190. 



B. 4. D. jy^g. A. 40-46. Vert. 10/24. 



Reddish (during life) ; brownish (in spirits). 

 East Indian Seas. 



«-c. Adult and half-growai. Madras. Presented by T. C. Jerdon, Esq. 

 d, e. Half-grown. Pinang. From Dr. Cantor's Collection. 



f. Half-grown : skin. Pinang. From Dr. Cantor's Collection, 



g. Half- grown. Coram. From the CoUeetion of Madame Ida Pfeiflfer. 

 h-i, lc~m. Adult and half-grown. AmoJ^ Purchased. 



n-o,p. Adult. China. 



g'-M, v-x, y-z, a, /3. Half-grown and young. East Indies, 



2. Trjrpauchen microcephalus. 



Bleek, Act. Soc. Sc. Indo-Nederl. \\., Borneo, xiii. p. 62. 

 D. I-. A. -!-. L. lat. 65. 



50 44 



The length of the head is contained eight times and a half in the 

 total ; skin of the head with cells, giving it a reticulated appearance. 

 The ventral disk is deeply notched posteriorly, each half having 

 only four soft rays. Uniform rose-coloured. (5L) 



Fresh waters of Sungi-duri (Borneo), 



18. TRYPATJCHENICHTHYS. 



Trypauchenichthys, Bleek. Act. Soc. Sc. Indo-Nederl. vi., Borneo, xiii. 

 p. 63. 



Body elongate, compressed, covered with cycloid scales. A band 

 of small teeth in each jaw. Eyes very small, scarcely visible ; a deep 

 bUnd cavity above the operciUum. One dorsal tin, with six feeble 



