. Bulletin of the British Museum (Natural History). Zoology . 102 P. J. P. WHITEHEAD. Fig. 36. Anchovia surinamensis (Bleeker). Surinam specimen from batch b, 115-2 mm Drawn by Annabel Milne. y. 1 fish, 79-8 mm , Dardanawa ponds, Rupununi river drainage, 9:12: 1957, co^- Lowe (McConnell), BMNH z. 1 fish, 35-8 mm , Bartica, Guyana, coll. Shideler, 1908, FMNH 53931. a'. 11 fishes, 72-5 and 24-1-37-3 mm , Oyapoc river, St. Georges, French Guiana, coll. Ternetz, BMNH b'. 1 fish, 94-8 mm , Capin river, BMNH (gill-arches stai
. Bulletin of the British Museum (Natural History). Zoology . 102 P. J. P. WHITEHEAD. Fig. 36. Anchovia surinamensis (Bleeker). Surinam specimen from batch b, 115-2 mm Drawn by Annabel Milne. y. 1 fish, 79-8 mm , Dardanawa ponds, Rupununi river drainage, 9:12: 1957, co^- Lowe (McConnell), BMNH z. 1 fish, 35-8 mm , Bartica, Guyana, coll. Shideler, 1908, FMNH 53931. a'. 11 fishes, 72-5 and 24-1-37-3 mm , Oyapoc river, St. Georges, French Guiana, coll. Ternetz, BMNH b'. 1 fish, 94-8 mm , Capin river, BMNH (gill-arches stained with alizarin). c'. 1 fish, 61-3 mm , Calamar Sta. 950, Carenage Bay, Chaguaramas, Trinidad, 7:2: 1970, coll. A. C. Jones (TABL Coll.). Description. Based on 20 fishes, 78-5-124-2 mm , comprising the larger Surinam and Guyana specimens listed in a-i above (including the Holotype of Stolephorus surinamensis). (10) 11-12 (13), D iii 10-12, P i 11-13, V i 6, A iii 22 (), 23 (9), 24 (7), 25 (3), g-r. 47 (), 51 (2), 52 (1), 53 (5), 54 M> 55 W> 5^ (2), 57 (2), 58 (0), 59 (2), 60 (2), 61 (0), 62 (1), scales in lateral series 31-36 (2 fishes). In percentages of standard length : body depth (33-6), head length 26-1-29-6 (31-2) ; snout length 4-0-5-9, eye diameter 6-0-7-2, length of cheek 10-1-12-4, length of upper jaw 19-8-23-2, length of lower jaw 16-7-20-2 ; length of pectoral fin 17-6-20-7, length of pelvic fin 9-3-10-9, length of anal fin base 27-3-30-4 ; pre-dorsal distance 49-4-54-6, pre-pelvic distance 43-6-49-1 (51-0), pre-anal distance (58-3) 61-0-67-0 (69-2). Body fairly strongly compressed, its width 2-7-3-2 times in its depth, the latter usually slightly less than head length ; snout to occiput about 1-75 times in usual head measurement; belly acutely rounded, with a single (pelvic) scute. Maxilla broadening posteriorly, its tip truncate, failing to reach lower jaw articulation by about one-third eye diameter (Figure 37) ; entire lo
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