8 MR. G. A. BOULENGER ON A COLLECTION 
spines increasing in length to the sixth, which measures half length of head, the 
posterior a little shorter; longest soft rays a little longer than longest spines. 
Pectoral 4 to 2 length of head. Ventral produced into a filament. Anal X 5; spines 
increasing in length to the last, which equals the last dorsal ; longest soft rays 3 length 
of head. Caudal rounded. Caudal peduncle as long as deep. Scales 32-33 =: 
lat. 1. = . Brown, with indistinct traces of five darker vertical bars; pectoral bright 
yellow, other fins blackish towards the border. 
Total length 83 millim. 
Two specimens from Kinyamkolo. 
4, LAMPROLOGUS MoORI, sp. n. (Plate I. fig. 4.) 
9 or 10 equal, moderately large conical teeth in front of each jaw, followed by a 
narrow band of minute teeth; lateral teeth very small, Depth of body 24 times in 
total length, length of head 3 to 33. Snout as long as diameter of eye, which is 
3 to 33 times in length of head and equals interorbital width; maxillary extending 
to below anterior border of eye; cheeks with small, deciduous scales; opercles and 
occiput scaled. Gill-rakers short, 9 or 10 on lower part of anterior arch. Dorsal 
XIX-XX 8-9; spines slightly increasing in length to the last, which measures nearly 
half length of head; middle soft rays prolonged, at least # length of head. Pectoral 
2 to $ length of head. Ventral prolonged into a long filament. Anal VII-VIII 
6-7; spines increasing in length to the last, which is a little longer than the longest 
dorsal; middle soft rays prolonged into filaments. Caudal rounded. Caudal peduncle 
as long as deep. Scales 33-35 wa lat. 1. Cae Dark brown ; fins blackish. 
Total length 93 millim. 
Several specimens from Mbity Rocks and Kinyamkolo. 
5. LAMPROLOGUS MODESTUS, sp.n. (Plate I. fig. 5.) 
A few large curved canine teeth, tipped with brown, in front of each jaw, followed 
by a band of minute teeth; lateral teeth very small. Depth of body 34 to 32 times 
in total length, length of head 3 to 33. Snout a little longer than diameter of eye, 
which is 33 to 4 times in length of head and equals interorbital width; maxillary 
extending to below anterior border of eye; cheeks naked; opercles and occiput scaled. 
Gill-rakers very short, 7 on lower part of anterior arch. Dorsal XX 8-9; spines 
increasing in length to the last, which is not quite half length of head; middle soft 
rays prolonged, § to } length of head. Pectoral about 2 length of head. Ventral 
prolonged into a short filament. Anal V 6-7; spines increasing in length to the last, 
which is as long as middle dorsals; middle soft rays prolonged, like the dorsals. 
Caudal truncate. Caudal peduncle as long as deep. Scales 36-40 ss lenis le 7. 
