1921.] The Eighth Indian Science Congress. cli 
An instance of convergent evolution in Coleoptera.—By 
S. MavLix 
The present paper aims at describing two remarkable beetles. one 
from the Garo Hills, Assam, and the other from Barkuda Island, Coils 
Lak ) 
a is m 
e of convergent evolution. One the beetles belongs to te 
family Milccoseranides and the position of ss other is doubtful. 
On the systematic position of a new genus Rewaridrilus 
from Benares.—By H. R. Meura. 
Lie The oe, characters.—The do rsal setae begin in the 
second segment, eapilliform and uncinate ; the ventral setae unci- 
nate only; the nial setae are the ventral setae of the 7th segment. 
The elitellum Soeidias segments 7 and 8. The male genital aperture Is 
m ific nd Bra ‘ 
The atrium is the swollen portion following be seminal funnel, which 
opens in the 6th segment, and is i surrounded y the ot ostate. en 
ed b ¢ sac by 
ntim 
hat of the septum { resemb blo ee in mine Na ididae, * Testes a eed ovaries 
m . 
oelom c they approach the Tubificidae. The latter structure is 
different fae that in mae tg Branchiura owing to the atrium 
not being enclosed in There is no para-atrium also. In possessing 
one median male roe they pasniate the Bothrioneuron. 
Ona hitherto unrecorded vein and an heteeg in the circu- 
latory system of the common Indian frog, Rana tigri- 
na C. Auvsa. 
t been 
i. The so-called oesophageal artery — agg frog has 
observ od atining direotly from the systematic @ On the o othe - “hand. 
there is a distinct branch of the ‘‘ estates eaetatien? Artery’ going to 
2. A fa conspicuous vein joins the renal es vein a Basie) 
above the point where the femoral vein bifurcates into the aie 
e 
tal. g arate name to 
buff-coloured g ular body of a large size, socaenwiiht ne 
in shape, lying immediately anterior to the heart, has also been observ 
Parthenogenesis in the Braconidae (Hymenoptera).—By 
M. A. Husain 
Parthenogenesis is wn fo occur in a number of insects ae i 
to the order ecntoichars :; but there seems to be no record of the 
i ma sh this phenomenon in the family Braconi idae. While eendine 
on sp., a parasite of Harias fabia and E. insulana, it was found 
a all ver eggs laid by certain females aereloped into inaien only. 
« 
