310 ^Ir. H. N. Moselej on the Parasitic Isoj)oda. 



^thalocliroa Ashmoliana^ Westwood. 



Vates Ashmolianus, AVestwood, Ann. & Mag. Nat. Hist. vol. viii. p. 272 ; 

 Arcana Entomol. 1843, vol. ii. p. 52 (note f). 



"Fuscus, capitis vertice rotundato, antennis gracillimis, prothorace 

 longissimo (long. iinc. 1|-) angusto, latoribus serrulatis ; tegmini- 

 bus et alis abdomen hand tcgentibus, illis pallidis griseo et fusco 

 parum variis nubecula fusca basin versus, venisque nigro strigatis ; 

 alis hyalinis, costa maculisque nubeculaque basin versus brunneis ; 

 cercis analibus latis foliaceis : pedibus 4 posticis brevibus, femo- 

 ribus fere ad apicem 3-foliatis tibiisque ante medium supra 

 parum foliatis. Long, corporis unc. 4^. Habitat in India 

 orientali." 



The following are the measurements of a dried specimen of 

 the male and of a female preserved in alcohol : — 



Total length, J" 100? ? 115 millims. ; length of prothorax 

 (^ 33, ? 40 — of which the neck is respectively, (J 7'6 and $ 

 9*5 ; width of prothorax at supracoxal dilatation, c?4'5, $ 

 5"6 — at hinder extremity, J* 3*6, ? 4*5 ; length of abdomen, 

 (^ 46, ? 52 ; width of abdomen at middle, (^ 3*5, ? 5 ; length 

 of tegmina, (^ 45, ? 55 ; width of tegmina across middle, J' 9, 

 2 11; length of wings, ^ 42, ? 52 ; of fore coxa, ^ 15, 

 $ 16"5 ; of femur, s 16*5, ? 19'75 ; of tibia (from base to 

 insertion of tarsus), (^ 12, ? 15; of immediate femur, (J 12'5, 

 ? 15*5 ; of tibia, S 12*5, ? 15*5 ; of posterior femur, (J 15, 

 ? 19 ; of tibia, d 15, $19; ofantenna3, (J 23, ? 18 ; ofcerci, 

 S 7-5, ? 8-5 ; width of cerci, c? 2, ? 2-6. 



Hab. I am indebted for the female of this fine and remark- 

 able insect to my friend Dr. T. R. Lewis, who captured it in 

 the garden attached to the General Hospital in Calcutta ; for 

 the male to Mr. C. V. Marshall, by whom it was taken at 

 Berhampur, near Murshidabdd, in Lower Bengal. 



XXVIII. — Hermaphroditism in the Parasitic Isopoda. Fur- 

 ther Remarhs on Mr. Bidlar^s Pajyers on the above subject. 

 By H. N. MoSELEY, Fellow of Exeter College, Oxford. 



Mr. Bullae does not appear to strengthen his position mate- 

 rially in his reply to my remarks on his paper on the " Gene- 

 rative Organs of the Parasitic Isopoda" (Journ. of Anat. and 

 Physiol., Oct. 1876, p. 118), in the March number of this 

 Journal. 



There seems to be no proof that the small masses of tissue 

 figured by Mr. Bullar as testes are in reality organs of such 



