. Bulletin of the American Museum of Natural History. Natural history; Science. 1924] Rehn, The Dermaptera oj the American Museum Congo Expedition 399 The sjTionymy given above has already in large part been estab- lished in print, while that of cagnii also has been suggested. There is no question in my mind as to the correctness of the reference of Palisot's jackeryejisis to this species, the description and the figure, as well as the additional comments made by Serville^ from Palisot's type, being con- clusive. The naming of a melanistic phase such as cagnii, an abbreviate winged t^^pe like
. Bulletin of the American Museum of Natural History. Natural history; Science. 1924] Rehn, The Dermaptera oj the American Museum Congo Expedition 399 The sjTionymy given above has already in large part been estab- lished in print, while that of cagnii also has been suggested. There is no question in my mind as to the correctness of the reference of Palisot's jackeryejisis to this species, the description and the figure, as well as the additional comments made by Serville^ from Palisot's type, being con- clusive. The naming of a melanistic phase such as cagnii, an abbreviate winged t^^pe like aptera, and an unusually marked phase such as tnaculipes. Fig. 40. Area of known distribution of Diaperasticus erythrocephalus in- dicated by heavy stipple, of possible but unproven distribution by light stipple. do not, to my mind, help the future of entomological science. The mere feature of fully developed wings or abbreviate wings is such an evident condition of dimorphism in many genera of Dermaptera, as also in many members of the orthopterous family Gryllidse, and to a lesser extent in the Blattidae, that it seems to us to be crowding the literature to provide them with names. The author's policy has been not to give names to these phases, as to consistently do so would mean the bestowal of thou- U839, 'Hist. Nat. Ins., Orth.,' p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Allen, J. A. (Joel Asaph), 1838-1921; American Museum of Natural History. New York : [American Museum of Natural History]
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