Vol. II, No. 5.] Notes on the Freshwater Fauna of India. 201 
[N.S.] 
-27. Notes on the Freshwater Hauna of India. No. VII—A new Goby 
from Fresh and Brackish Water in Lower Bengal.—By N. 
ANNANDALE, D.Sc., LS. 
GOBIUS ALCOCKIL, sp. noy. 
Diagnosis :— 
5 gy: 1 L. lat. 26 to 28. L.trans.9. Body compressed, 
moderately elongate ; the height 6 times in the total length includ- 
ing caudal fin. Length of head 3 times in total length including 
caudal fin; diameter of eye greater than length of snout, less than 
interorbital breadth ; eyes large, feebly protuberant ; cleft of mouth 
small, oblique ; several rows of teeth in both jaws, canines well 
developed ; snout obtuse, rounded. Two rows of tubercles below 
the mouth on each side and a less distinct A-shaped series on the 
lower proximal part of the cheek. Dorsal fins well separa- 
ly from one another. hn 
Length of a spawning female (the largest individual seen )— 
6 mm 
The most remarkable points about this little Fish are its small 
size and its juvenile appearance, which has evidently caused it to 
be passed over undescribed. At least one other species of the ar 
family, the Philippine Mistichthys luzonensis (which is said to 
the smallest known vertebrate) ng es . So ae 
i ning W 
The specimens taken at Port Vanning * 2 
weeds overgrown with Polyzoa and Sponges (Spongilla la var. 
Mian Dittes brackish pools ; while the one collected in Seema 
was found among the roots of a plant of Pistia stratvot pated 
“tank ” in the ween ae Gardens ad ge coco los ter oe 
e in spawning. e ,w we 
size of the Lass meanarel 0-9 mm., by 09 Be ike er 
and were somewhat irregular and variable in outline, the maj : a 
less pear-like form. They were attac 
at Sree va were much torn, died on the day following 
fee capture, and ova were seen issuing from her body. Judging 
