214 



PSYCHE. 



[May iSgt. 



13 and anal plates, milk white from spiracles 

 to feet, extending higher on joints 4-6 and 

 11-12, mottled. End of joint 13 swollen 

 above, light brown; joint 3 a little enlarged 

 dorsally. In the natural position of rest, 

 curled spirally' around a leaf petiole, the two 

 largest white patches adjoin each other. 



Enters the earth without ultimate stage. 



Single brooded, feeding onlv on immature 

 leaves. 



Staten Island, N. Y., June i ; Bellport, 

 Long Island; Bedford Park, N. Y., May 25; 

 Fort Lee and Plainfield, X. J., May 16 (the 

 youngest one). 



Tabic of genera of\Xyclidae. 

 (By W. H. Ashmead.) 



1. Front wings with the intercostal vein 

 uniting with the subcostal; hind wings with 

 one complete submarginal and one discoidal 



cell 3 



Front wings with the intercostal vein sepa- 

 rated, distinct from the subcostal; hind 

 wings with two complete submarginal cells 

 and one discoidal cell. .... 2 



2. Antennae g-jointed, the six terminal 

 joints very short, together not longer than 

 the scape and less than half the length of the 

 third joint; clypeus with a median emargina- 

 tion; claws with an erect tooth before the 

 tip .... Macroxyela Kirby. 



Antennae lo-jointed, the seven terminal 



joints very short, together not longer than 

 the scape or less than one fourth the length 

 of the third joint; clypeus triangularly pro- 

 duced in the middle; claws bifid; all tibiae 

 very spinous, hind tibiae w-ith 4 long spurs 

 beneath between middle and apex 



Megaxycla Ashm. 

 (type A', innjoi- Cress.) 

 Antennae 12-jointed, the nine terminal joints 

 much shortened, together much shorter 

 than the third joint; both transverse radial 

 nervures originating from the second cubital 

 cell ; clypeus and tibiae as in Megaxyela ; 

 claws with a large erect tooth before middle 

 Pleuroneura Kono\v. 



3. Antennae 12-jointed, the nine terminal 

 joints slender, lengthened, together as long 

 or longer than the third joint; claws long, 

 slender, with a very minute, nearly obsolete 

 tooth beneath a little beyond the middle 4 



4. Front wings with both transverse radial 

 nervures originating from the second cubital 

 cell, rarely with the second transverse radial 

 interstitial; clypeus with a median ridge 

 which is slightly extended beyond the an- 

 terior margin, but scarcely triangularly pro- 

 duced .... Manoxyela Ashm. 



(Type M. califor7iica Ashm.) 

 Front wings with the first transverse radial 

 nervure originating from the second cubital 

 cell, the second originating from the third 

 cubital; clypeus triangularly produced an- 

 teriorly .... Xyela Dalman. 



RUDOLF LEUCKART. 



So many and such valuable contributions 

 to our knowledge of ■ the morphology and 

 physiology of insects have come from the 

 laboratories of the late Professor R. Leuckart 

 of the University of Leipzig, that a few 

 words of appreciation of this master zoolo- 

 gist's labors and of regret for his loss can 

 not be amiss in the pages of Psyche. Dr. 

 Leuckart, who died in February in his seventy 



sixth year, was a zoologist of extraordinary 

 range of study, touching in his work the 

 anatomy and life-history of the most widely 

 separated groups of animals, woi-king indeed 

 through the whole animal realm from 

 Amoeba to Man. His largest contributions 

 are those to the knowledge of the parasitic 

 w'ornis, but his enlightening studies of the 

 micropyle and fertilization of insect eggs 

 (iS^q), the reproduction and development 

 of the Pupipara (1S5S), the alternation of 

 generations, and parthenogenesis among 



