Memoirs of the National Academy of Sciences . Fig. il.—Venation of fore wiug of Ful-^ora.—After Spiiler. Spuler also shows that the venatiou of the Ortlioptera, especially their most generalized formBlatta, is luudameutally nearly identical with that of the Lepidoptera, veins I-V being readilyhomologized with those of the latter group; so also with the most gene ralizcd Hemiptera (Fidgora,fig. 47). We niiy also draw tittention to tlio remarkable resemblance in the venation of thegeneralized Psocid genus Ampliientomuni, which at fir^t sight,from tlie shape and size of the wings, reminds one of


Memoirs of the National Academy of Sciences . Fig. il.—Venation of fore wiug of Ful-^ora.—After Spiiler. Spuler also shows that the venatiou of the Ortlioptera, especially their most generalized formBlatta, is luudameutally nearly identical with that of the Lepidoptera, veins I-V being readilyhomologized with those of the latter group; so also with the most gene ralizcd Hemiptera (Fidgora,fig. 47). We niiy also draw tittention to tlio remarkable resemblance in the venation of thegeneralized Psocid genus Ampliientomuni, which at fir^t sight,from tlie shape and size of the wings, reminds one of a Micro-pteryx or Eriocei)li;ila, while it also has a fewscales like those of these moths. But that the system of venation of Spuleris morphologically the correct one is fullyand satisfactorily proved by the ontogeneticdeveloi)ment of the veins. Fritz Miiller(Kosmos, i, p. 390) was the first to examine the incipient venation of two semipupal moths (€«stnia arclalus). Heobserved that in the immature pupa the cross veins were wanting, a


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Keywords: ., bookcentury1800, bookdecade1890, bookidmemoirsofnat, bookyear1895