1871.] F. Day — Monograph of Indian Cyprinidce. 283 



Genus. Mola, Heckel. PI. xxi, fig. 3. 

 Thynnichthys, pt., Bleeker. 

 Amblypharyngodon, pt., Bleeker. 

 Brachygramma, pt. Day. 



Pseudobranch ice present. Abdomen rounded. Head compressed : in- 

 teguments over snout thin : upper lip absent : only a short labial fold on 

 the side of the mandible. Mouth rather ivide, antero-lateral, with the 

 lower jaw somewhat prominent. JVb barbels. Gill ralcers very short or 

 absent. Eyes in the middle of the depth of the head, and without any 

 adipose membrane. Pharyngeal teeth molar-form, close together, 5, 3 

 or 4, 2 or 3/2 or 3, 4 or 3, 5 : or 5 or 3, 2 or 3 or 4, 2 or 1/1 or 2, 4 

 or 3 or 2, 3 or 5. Dorsal fin short without osseous ray, commencing 

 nearly opposite the ventrals : anal short. Scales small. Lateral line 

 complete, running to the centre of the base of the caudal fin, (Tlmjnnich- 

 thys Bleeker) ; or incomplete {Amblypharyngodon, Bleeker). Intestinal 

 tract narrow, and with numerous convolutions. 



Geographical distribution. Throughout the continent of India, 

 Burma and East Indian Archipelago. 



Synopsis of species. 

 A. Lateral line, complete. (Thynniclithys.) 



1. Mola harengula, D. 3/9. A 3/5. L. r. 120. L. tr. 22/25. Kistna and 

 Godavery. 



B. Lateral line incomplete. (Amblypharyngodon ) 



2. Mola Buchanani, D. 2/8. A. 2/5. L. 1. 55-75. Dorsal arises opposite inner 

 ventral ray. Orissa through Bengal to Burma. 



3. Mola melettinus, D. 2/8. A. 2/5. L. 1. 50-57. Dorsal arises behind the 

 ventrals. Southern India. 



4. Mola AtTcinsonii, D. 3/5. A. 2/5. L. 1. 55. Body deep, nearly 1/3 of the 

 total length. Burma. 



A. Lateral line complete, (Thynnichthys.) 

 1. Mola (Thynnichthys) harengula, pi. xxi, fig. 3. 

 Leuciscus harengula, Cuv. and Val., xvii, p. 303, pi. 500. 

 Kala-tala and Ahhu-chappah, Tel. 



B. III. D. 3/9, P. 19, Y. 9, A. 3/5, C. 19, L. r. 120, L. tr. 22/25. 

 Length of head 1/4 : of caudal 1/4 : height of body 1/4 : of 

 dorsal fin 1/5 of the total length. 





