. Transactions of the Entomological Society of London. spot on small fore-wing. Lunulesslightly reduced on small hind-wing. Internal and external genitalialike those of normal female. No. 20. Both wings smaller on the right. Internal and externalgenitalia like those of normal female. No. 21. Fore-wings, right 1725 mm., left 16*5 mm. Very darkspecimen. Marked reduction of size of lunules on the small lefthind-wing. Careful microscopic search revealed no blue scales andno androconia. Ovaries and cement glands equal in size and organs present and normal. Caput contained granularmateri
. Transactions of the Entomological Society of London. spot on small fore-wing. Lunulesslightly reduced on small hind-wing. Internal and external genitalialike those of normal female. No. 20. Both wings smaller on the right. Internal and externalgenitalia like those of normal female. No. 21. Fore-wings, right 1725 mm., left 16*5 mm. Very darkspecimen. Marked reduction of size of lunules on the small lefthind-wing. Careful microscopic search revealed no blue scales andno androconia. Ovaries and cement glands equal in size and organs present and normal. Caput contained granularmaterial. External genitalia symmetrical and like those of normalfemale (PI. LXIX, fig. 2). Ill addition to above complete dissections partial ex-aminations were made of sixteen gynandromorphs, takenin August and September 1915 at Royston by Mr. L. , and set and dried by him in the usual were treated with potash, and though minor ab-normalities may have been overlooked an almost perfectdissection was carried out on some of them. In seven,. Fig. 1.—Normal bursa copulatrix (bursa with prop and rein ofChapman). Fig. 2.—Bursa with abnormally shaped caput (dissection No. 8). Fig. 3.—Bursa with abnormal caput and ductus seminis aborted(dissection No. 3). Fig. 4.—Bursa with caput and ductus seminis absent (dissectionNo. 1). PlG. 5.—Rudimentary cement glands and blind ductus bin-sac(dissection No. 3). Fig. 6.— Small hut symmetrical cemenl glands and nodular Bper-matheca (dissection No. 6). Fig. 7.—Branched spermatheca (dissection No. In). Fig. 8.—Normal 9th and loth abdominal segments. Fig. !).—Tenth abdominal segment showing cadi half of the ovi-positor widely spread instead of parallel. a. Caput bursae (bursa copulatrix: Chapman). b. Prop or hypostema (Chapman). c. Bwrsa copulatrix (rein or henia : Chapman). d. ductUS si minis (ilnrlus Imrsin). e. Cement gland. /. Spermatheca or receptaculum Ovipositor with rods (10th abdominal segment).h. 9th
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Keywords: ., bookauthorr, bookcentury1800, booksubjectentomology, bookyear1836
