1919. | The Sixth Indian Science Congress. exlvii 
spread in former times; two boats figured in the Ajanta frescoes show it 
oe Another old instance dates back to Buddhist days in Java; 
= of — Boro Budur = depicts a two-masted ship bearing this 
pears tio 
The stud of Sige ates Qiliates in India.— By B. L. 
BHA 
Neglect st on “tpg of fresh-water Protozoa in India 
Previous record 0 geno ae Ciliate protozoa from India, based on 
Met. mice a research briefly described. 
“ts new od sah slowing the movements of oo moving forms. 
ont genera and species, most of which is believed, are 
hanes for oes Rest ries from any part of India, with brief notes. 
Notes on the life-history of two fishes—Callichrous bima- 
culatus, rea one Notopterus notopterus, Pallas. —By C.R 
NaRAY 
The paper reby in possibility of bee occurrence of m than 
one local race of Callichrous aon culatus, as the differences on hie the 
view is b a — an individual vaiindiciia I velopmen- 
tal history of thi ‘Sede a h the caudal which is 
entire e isa dcteaa iakte we as the same Is a ermanent adult character 
in a us. rtain examples of Notopterus noto 
pterus that were locally eed appeared to be crosses between to- 
pterus an d the variations a a gs of Ni 
i a — to each oth d to the substratum on which they are de 
pos and the development of the more interesting 
ted in small clumps, 
sdephiological characteristics is sanuble d. 
A revision of the genus ee with special refer- 
ence to the species record Indian fishes.—By 
T. SOUTHWELL an RASHAD. 
These cestode parasites for the most part ccmgpat the spiral valve of 
selachians. Only five — - have as yet been recorded from Bo dian 
fishes and these are dealt h in deta iL "Tabieen sine aod important ad- 
ditions are made to our lanes of the anatomy and distribution of 
the Indian poms) 
Intra-uterine embryos of Indian Selachians.— By T. SoutH- 
nd a Pra 
In authors, after describi ing the various modes 
oviparous pete, ‘anda lac “es pie ssl onan soe 
sm 
siaplest oviparou he se complicated ‘viviparous types. e 
¥ 
~~ ion of the evolution of the various types is very interesting 0 wing 
the different types amongst the liv ese elasmobranchs 
ips. 
n the aad wastes the structure and evolution of the y different types 
i i cat as found in the or 
cental viviparous forms is treated of in - ail The structure and fun 
tion of the branchial filaments is also dese . 
A short note on the distribution of a recently-described 
genus of fish.—By CHAUDHURI 
Over six bar ago I came across some very inter 
ing ser of fish 
in the Family Cobitidinae pa the Dibang river nary’ nnected 
