22 PROCEEDINGS OF THE ACADEMY OF [1887. 



Numerous specimens were found tightly clinging by the mouth 

 to the lining membrane of the stomach of Trachemys scabra. 

 EcMnorhynchus caudatus Zeder. 



Body narrow, cylindrical, nearly equal throughout, strongly 

 corrugated so as to appear annulated, posterior extremity conical. 

 Proboscis cylindrical, exj^anded at base, with 9 to 11 rows of 

 strong hooks, succeeded with about 15 rows of smaller hooks. 

 Length, from 5 lines to an inch; breadth, 0*5 to 1*5 mm. From 

 two individuals of the Swallow-tailed Kite, Elanoides furcahis, 

 in one of which they were associated with Tceuia viator. Two 

 specimens from Strix nebulosa. Florida. Dr. B. H. Warren, 

 EcMnorliynchus hystrix Bremser. 



Body cylindrical, much corrugated, widest anteriorly and 

 minutely echinate. Proboscis clavate, with about a dozen rows 

 of hooks. One-fourth to three-fourths of an inch long and one 

 line wide at the fore part. Numerous specimens from the intes- 

 tine of the Darter, Plotus anhinga. Florida. Dr. B. H. Warren. 

 Taenia simpllcissima. 



Head small, unarmed, truncate; bothria spherical, terminal, 

 occupying the four angles; neck very long, 

 [^nearly or as wide as the head, body grad- 

 ually widening to the posterior third and 

 then tapering; anterior segments trans- 

 versely linear, subsequently reversed dish- 

 like, gradually longer and wider, then cam- 

 panulate and gradually becoming longer and 



FtG. 4. Cephalic extrem- /--i j_' j. j 



ity;s. Segments about narrower. Generative apertures and ova 

 middle; 6 Posterior unobservcd. A uumbcr of sj^ecimeus from 



segmer^ts. Magnified ^ ^^ ^^^^^^ calhrias, Up tO 20 HueS 



20 diameters. ' ' ^ 



by 1 mm. where widest. Two only of the 

 specimens retained the head. 



Taenia Ambloplitis. 



Head quadrate, spheroidal, consisting almost entirely of the 

 four large spherical bothria, with the summit slightly prominent 

 and conical or depressed and unarmed; neck very short or none; 

 body compressed cylindrical, gradually widening from the head 

 to near the posterior part where it slightly narrows to the end; 

 segments linear, becoming gradually longer and wider, and then 

 more quadrate; all deeply and pretty regularly wrinkled into 



