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The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Described from two specimens. Native name, Mocupi. As in Tilapia desfontainesi, the dentition of this species may be regarded asconnecting Tilapia with Paratilapia. 78. Petrochromis polyodon.—Blgr. 1! (Fig. p. 197.) Crowns of teeth brown. Depth of body to 2§ times in total length, length ofhead 2% to 3 times. Snout, with convex upper profile, ih to i| diameter of eye,. Barilius moorii. See p. 158. which is 4 to times in length of head andi h ininterorbital widt
The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Described from two specimens. Native name, Mocupi. As in Tilapia desfontainesi, the dentition of this species may be regarded asconnecting Tilapia with Paratilapia. 78. Petrochromis polyodon.—Blgr. 1! (Fig. p. 197.) Crowns of teeth brown. Depth of body to 2§ times in total length, length ofhead 2% to 3 times. Snout, with convex upper profile, ih to i| diameter of eye,. Barilius moorii. See p. 158. which is 4 to times in length of head andi h ininterorbital width ; mouth hardlyextending to below anterior border of eye ; 4 or 5 series of scales on the cheek ;large scales on the opercle. Gill-rakers very short, 12 or 13 on lower part ofanterior arch. Dorsal 8-9 ; spines increasing in length to the sixthor seventh, which measures about § length of head; longest soft rays J to 5 length ofhead Pectoral nearly as long as head. Ventral reaching vent or origin of anal.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectm, booksubjectzoology