190 Psyche [December 
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1906. Sawamura, 8. Note on the bacteria pathogenic to silkworms. Bull. of 
the Coll. of Agri., Tokyo Imperial Univ., Vol. VII; No. 1, p. 1. 
1907. Mercier, L. Recherches sur les bactéroides des Blattides. Archiv. f. Pro- 
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Comptes Rendus des Séances de |’ Académie des Sciences. 
PROTHETELY OR SEMI-PUPAL STAGE IN LOPHEROS 
FRATERNUS RAND. 
By H. 8S. Barper, 
Bureau of Entomology, Washington. 
In the August number of Psycur (Vol. XXI, pp. 126-129) 
Williams mentions and illustrates an abnormal larva of Photuris 
pennsylvanicus that had developed the pupal wing pads, assigning 
Kolbe’s term prothetely to the phenomenon, and citing the five 
previous records of this precocious development. Since photo- 
graphic records of a parallel case in another genus of Malacoderm 
beetles are at hand they may be useful in close proximity to the 
above note to which an omitted case of similar nature may be 
added. Béving! 1906 speaks of an abnormal Donaciid larva: 
“Tn a cocoon a larva with two large pupa wings on one side of 
the thorax, and a pupal abdomen was found. There was conse- 
quently no appendage, but the head and limbs were that of a larva. 
At the side of this monster, a cast off, entirely normal skin was 
lying, with the coverings of both cranium and limbs.” 
1Bidrag til kundskaben om Donaciin-larveneres naturhistorie, Copenhagen, p. 241. 
Translated into English 1910, Sonderabd. Int. Rev. Hydrobiol. Hydrograph. p. 101. 
