. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . douiile interorbital width and contained 3 to 3J limesin length of head ; mouth extending to below anterior border of eye ; cheek naked ;a few deciduous scales on opercle ; nasal, frontal, priiiorbital, suborbital, pnv-opercular, and mandibular bones cavernous, with large cavities covered with thin skinand separated by narrow septa. Gill-rakers short, 17 on lower part of anterior 9-11 ; spines increasing in length to the sixth or seventh, whichmea
. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . douiile interorbital width and contained 3 to 3J limesin length of head ; mouth extending to below anterior border of eye ; cheek naked ;a few deciduous scales on opercle ; nasal, frontal, priiiorbital, suborbital, pnv-opercular, and mandibular bones cavernous, with large cavities covered with thin skinand separated by narrow septa. Gill-rakers short, 17 on lower part of anterior 9-11 ; spines increasing in length to the sixth or seventh, whichmeasures h length of head ; soft rays scarcely longer. Pectoral very pointed, as longas or a little longer than the head. Ventral reaching origin of anal. Anal III. 7-8 ;third spine nearly as long as dorsals. Caudal deeply notched, crescentic. Caudalpeduncle nearly twice as long as deep. Scales 30-32? ; lat. i. 5-14. Silvery,lirownisli above, a large rounded black spot on posterior third of spinous part ofdorsal, rarely followed by a second. Total length, 120 millim. Described from several specimens from the Usambura
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectm, booksubjectzoology
