306 
A New Gregarine 
Ratio length protomerite : total length : : 1 : 5 to 1 : 6. 
,, width protomerite : width deutomerite : : 1 : 1. 
Protomerite hemispherical, lower margin straight, projecting beyond deutomerite at 
septum. 
Deutomerite regularly cylindrical, ending in a blunt point or in a well-rounded extremity. 
Epimerite persistent, a long slender sinuous style, as long as or longer than the whole 
cephalont itself. 
Nucleus spherical, with one karyosome and several chromatic granules. 
Cysts spherical, 60-70/z in diameter. 
Spores elongate barrel-shaped, 6 -bp to Ip long. 
Hosts: Anthrenus verbasci Olivier (A. verbasci L.) larva. v 
Pyxinia bulbifera Watson. 
Sporonts solitary, long and slender. 
Maximum length 850pt,. Maximum width 160^. 
Ratio length protomerite : total length : : 1 : 5. 
„ width protomeiite : width deutomerite : : 1 : 1*3. 
Protomerite cone-shaped, constricted at septum. 
Deutomerite tapers gradually from shoulder ending in a blunt point. 
Epimerite in two parts, a short, bulbous, crenulate and crateriform base, and a short 
thick style. 
Nucleus ellipsoidal, lying at right angles to the main axis. A single large karyosome 
present. 
Cysts and spores not seen. 
Host: Dermestes lardarius L. adult. 
Pyxinia anobii n.sp. 
Sporonts solitary elongate. 
Length 200-250/x. Width 40-60/x. 
Ratio length protomerite : total length : : 1 : 6 to 1 : 7. 
„ width protomerite : width deutomerite : : 1 : 1. 
Protomerite hemispherical. 
Deutomerite cylindrical, tapering gradually to a blunt point. 
Epimerite a long slender style. 
Nucleus spherical with one or more karyosomes. 
Spores barrel-shaped Ip by 3/z. 
Host: Anobium paniceum L. larvae and adults. 
REFERENCES. 
Buchner, P. (1921). Studien an intracellularen Symbionten. Arch, fur Protistenk. xlii. 
319-336. 
Escherich, K. (1900). Uber das regelmassige Vorkommen von Sprosspilzen in dem 
Darmepithel eines Kafers. Biolog. Centralbl. xx. 350-358. 
Karawaiew, W. (1899). Uber Anatomie und Metamorphose des Darmkanals der Larve 
von Anobium paniceum. Biolog. Centralbl. xix. 122-130, 161-171 and 196-202. 
Laveran, A. et Mesnil, F. (1900). Sur quelques particularites de Involution d’une 
Gregarine et la reaction de la cellule-hote. C. B. de la Soc. de Biol. lii. 554-557. 
Leger, L. et Duboscq, O. (1900). Les Gregarines et Tepith^lium intestinal chez les tracheates. 
C. R. de VAcad, des Sciences, cxxx. 1566-1568. 
-(1902). Les Gregarines et mpithelium intestinal chez les trach6ates. Arch, de Parasitol 
vi. 377-473. 
Watson, M. E. (1916). Studies on Gregarines. Illinois Biol. Monographs. 
-(1917). Observations on Polvcystid Gregarines from Arthropoda. Journ. of Parasitol. 
in. 67-69. 
