G. A. ROIILEXGER 



B ATRAC HI ANS. 



1. Rana mascareniensis, D. & B. 

 ^. „ galamensis, D. &. P>. 



3. „ albilabris, Hallow. 



4. Arthroleptis minutus, Blgr. 

 0. Rappia marmorata, Rapp. 

 (). „ concolor, Hallow. 



7. „ cinctiventris, Cope. 



8. Bufo regularls, Reuss. 



F I S H E S. 



I. Paratilapia serranus, Pfeff. 



!2. Haplochromis desfontainesi, Lacep. 



o. Tilapia lacrimosa, Blgr. 



4. Hemitilapia bayoni, sp. n. 



Depth of body 2 ^/g to "i ^/^ times in total length, length of 

 head 3 to 3 7^. Snout obtuse, with straight upper profile, as 

 long as the eye, which is 3 Vi o^' 3 ^/g times in length of head 

 and equals interorbital width; maxillary extending nearly to 

 below anterior border of eye; four series of teeth in each jaw, 

 the outer much larger than the others and numbering 27 to 30 

 on each side of the upper jaw; 3 series of scales on the cheek. 

 Gill-rakers short, 9 or 10 on lower part of anterior arch. Dorsal 

 XV-XVI 9 ; spines increasing in length to the last , which mea- 

 sures about half length of head ; longest soft ray about ^/^ length 

 of head. Anal III 8-9 ; third spine longest , nearly half length of 

 head. Pectoral pointed , as long as head , not quite reaching origin 

 of anal. Ventral reaching vent. Caudal truncate. Caudal peduncle 

 1 7a times as long as deep. Scales denticulated 31-32 ^g"^, , 

 lateral lines ^~f • 



i^dlowish olive, with 7 or 8 more or less distinct darker 



