17. TEYPAUCHEN. 137 



Third Group. TRYPAUCHENINA. 



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



17. TEYPATJCHEN. 



Trypauchen, Cuv. Sc Val. xii. p. 152, 



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

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

 the branchidl cavity. Teeth in a band, without canines. One dox-sal, 

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

 tinuous with the caudal. Ventral fins united. 



East Indian Seas. 



1. Trypauchen vagina, 



Gobius vagina, Bl. Sclm. p. 7.3. 



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



Trypauchen vagina, Cue. Sf Val xii. p. 153. pi. 351 ; Richards. Ichth. 



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



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



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



41—49 



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

 East Indian Seas. 



a-c. Adult and half-grown. Madras. Presented by T. C. Jerdon, Esq. 



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



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



</. Half- grown. Coram. From the Collection of Madame Ida Pfeiffer. 



h-i, k-m. Adult and half-grown. Amoy. Purchased. 



n-o,p. Adult. China. 



q-u, v-x, y-z, a, /3. Half-grovm and young. East Indies. 



2. Trypauchen microcephalus. 

 Bleek. Act. Soc. Sc. Indo-Nederl. vi., 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. (JBl.) 



Fresh waters of Sungi-duri (Borneo). 



18. TRYPAUCHENICHTHYS. 



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 

 bhnd cavity above the operculum. One dorsal tin, with six feeble 



