Horváth Géza (szerk.): A Magyar Természettudományi Múzeum évkönyve 10. (Budapest 1912)

Burr, M.: Interesting Dermaptera in the Budapest Museum

Í284 MALCOLM BUEE These are of the brachypterous form named by DE BORMANS, in MS., var. Dietzi, but I do not know if he ever published this one. The scarce melanic form is var. Cagnii of BORELLI. 27. Diaperasticus sansibaricus, KARSCH. — German East Africa : Mto-.Ja-Kifaru, 4 D\ 1 ? (KATONA). These are of the very slender dark form, the true sansibaricus of KARSCH, which is very different in appearence from D. Mackinderi, BURR, but owing to the existence of intermediate forms, I am very enclined to regard them as the two extremes of a plastic species.