24 RESEARCHES IN HELMINTHOLOGY AND PARASITOLOGY. 



allows the protrusion of globular masses of sarcous matter, as in 

 Leucophrys, but not to such a great extent. 



Note : — Since the above went to press, Dr. Leidy announced to 

 the Academy that he had discovered two new species of the ento- 

 phyte Entcrobnts : one of them, E. spiralis, i-69th inch long, grow- 

 ing in the small intestine Julus piisillus : the other E. atteiutatus , 

 I -24th inch long, growing more or less profusely with a second 

 species of Oadophytuvi , C. davatum, in the ventriculus of the cole- 

 opterous insect, Passalus cormitus. Thus has been established the 

 law " that plants may grow in the interior of the healthy animal as a 

 normal co7idition,'" and a new field has been presented for the inves- 

 tigation of the Cryptogamo-naturalist. [See forthcoming number 

 of the Proceedings.] 



[December, 1849. No. 45. See Bibliography.] 



DESCRIPTIONS (ACCOMPANIED BY DRAWINGS) OF A NEW GENERA 

 AND SPECIES OF ENTOPHYTA. 



Enterobriis spiralis . — Yellowish, brownish, brown or hyaline, form- 

 ing a single, double or triple spiral. Peduncle brownish or yellowish, 

 columnar, i-25ooth inch long by i-6oooth inch thick.- First or prin- 

 cipal cell uniforml}' cylindrical, filled with granules and globules, 

 i-4285th inch in diameter. Penultimate cell cylindrical, filled with 

 granules and a few globules, i -428th inch long. End cell clavate, 

 filled with granules, i -535th inch long by i -3333d inch at broadest 

 part. 



Length from i-yoth to i-5oth inch by i -4200th inch broad. 



Habitat. — Grows from mucous membrane of the small intestine of 

 Julus piisilhis. 



Remarks .—"VhAs species is found in varying quantity from a half 

 dozen individuals up to fifty or more of various ages. The speci- 

 mens of Julus pusillus from which the plant was obtained measured 

 half an inch in length. 



Entcrobrus attenuatus. — Faintly brownish, yellowish or hyaline, 

 forming a double flexure or sigmoid curve, and then growing in a 

 very straight course to its termination. Peduncle yellowish, colum- 

 nar, sometimes double, i-666th inch long by i -2300th inch broad. 

 Principal cell attenuated at both extremities, rounded or truncated 

 at the distal end, and filled with varying quantity- of globules and 

 granules. End cells ? 



Length I ■24th inch ; diameter at middle i- 1500th inch ; at sigmoid 

 curve I -2300th inch : at di.stal extremity i -2500th inch. 



