The Tanganyika Problem; An Account of the Researches Undertaken Concerning the Existence of Marine Animals in Central Africa

The Tanganyika Problem; An Account of the Researches Undertaken Concerning the Existence of Marine Animals in Central Africa

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ...XXII.-XXIV. 5; spines equal from eighth or tenth, length of head; longest soft rays to length of head. Pectoral about length of head. Ventral produced in a filament, reaching origin of anal. Anal VIII.-IX. 4-6; spines increasing in length to the last, which equals length of head. Caudal rounded. Caudal peduncle as long as deep. Scales 45-50; lat. 1. Yellowish, with three dark brown stripes on each side, the lower from the end of the snout to the base of the caudal, the upper along the base of the dorsal; a large round dark brown spot on the base of the caudal; a small black spot at the base of the pectoral; anal edged with brown; caudal brown. Total length, 85 millim. Described from five specimens from Mbity Rocks. The pnemaxillary groove is deep, and extends to the anterior third of the orbits, the occipital crest is low and continued forward to the pnemaxillary groove; parietal crests are present, but very feeble; the chain of suborbital bones is replaced by a ligament; the mandible is very massive, the lower surface flat, projecting as a keel on the sides. The ribs are inserted on a step of the transverse processes, at a short distance from the centre; all bear epipleurals; only the last pnecaudal vertebra has a hicmal bridge. 38. Paratilapia Vittata.--Blgr. 1901. (Fig., p. 191, upper.) Depth of body 3J to 3 times in total length, length of head 2 to 3 times. Profile of snout convex; lower jaw projecting beyond the upper; diameter of eye I. J to IJ times in length of snout, 4 to 4 times in length of head, and equal to interocular width; maxillary extending to below anterior border of eye; teeth in 3 or 4 rows, the outer much larger than the others; 3 or 4 series of scales on the cheek; large scales on the opercle. Gill-rakers...show more

Product details

  • Paperback | 96 pages
  • 189 x 246 x 5mm | 186g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236594185
  • 9781236594181