RESEARCHES IN HELMINTHOLOGY AND PARASITOLOGY. 85 



4. Bodo Julidis, Leid3^ Pr. A. N. S., v, 100; Trans. Am. Phil. 

 Soc, 2d ser. , x, 244. 



5. Bodo Mjiscariwi, Leidy. Frequent in the intestine of the house 

 fly, Musca domesiica, in immense quantity. 



6. Bodo Melolo)ithc€ , Leidy. Body spherical ; diameter .00449 to 

 .0112 mm. Tail simple, about the length of the diameter of the 

 body. Found in the intestine of hMolontha quercina and M. br^innea. 



7. Bursaria Intestinalis . Ehrenb. In the intestine of Ranapipiem. 



8. Leucophrys Stryatis, Dujardin ; Lciicophrys, Leidy. Journ. 

 A. N. S., 2d ser., ii, 49. In the liquids of the body of E)ichytracus. 



9. Lejtcop/irys Clavata, Leidy. Journ. A. N. S., 2d ser., ii, 50; 

 iii, 144. Found in the Liunbriailuslimosus and L. foiuis. 



10. Leucophrys Cochlcariformis, Leidy. Journ. A. N. vS. , 2d ser., 

 iii, 144. Found in the intestine of Liiiiibriculus tenuis. 



11. Leucophrys Socialis, Leidy. Cordate, ovate, oval, pyriform, 

 or globular, contractile, active, with one or many internal vacuolse; 

 striated, ciliated. Length .036 to .045 mm., breadth .03 mm. 



Found very frequently and abundantly within the stomach of the 

 remarkable bryozoon, Urnaiella gracilis. (Pr. A. N. S., vii, 191.) 



12. Nyctothcrus Velox, Leidy. Pr. A. N. S., v, 233 ; Trans. Am. 

 Phil. Soc, 2d ser., x, 244. From the large intestine of Julus niar- 

 ginatus. 



13. Nyctotherus Ovalis, Leidy. Pr. A. N. S., v, 100 ; Trans. Am. 

 Phil. Soc, 2d ser., x, 244. From the intestine of the common cock- 

 roach, Blatta oricntalis. 



14. Albcrtia f PeUucidus, Leid}^ ; Anelcodiscus pellucidus, Leidy. 

 Pr. A. N. S., V, 287. 



MVZHI.MINTHA. 



15. / Mo)iostoinu)ii Incoiiiiitodiuii, Leidy. Bod}' compressed, above 

 convex, below concave, sides parallel, anteriorly convex, posteriorly 

 angularly convex. Head continuous with the body, obliquely trun- 

 cated. Mouth round, surrounded with a wide circular lip, which 

 is emarginate below. Male generative aperture ? communicating 

 with a hemispherical cavity (acetabulum ?) one-fourth the length of 

 the body from the head. Length 9 lines, breadth lyd lines. 



Five specimens were obtained from the fauces of the Alligator 

 mississippiensis , in Florida, by Prof. J. W. Bailey, of West Point. 

 Is it probably a species of Distomuni, with the ventral acetabulum 

 emersed within the body ? 



16. Monostoiinan Ornatum, Leidy. Body slightly compressed 

 ovoidal, anteriorly broad ; yellow variegated with brownish red. 



