36 CATALOGUE OF ENTOZOA. 
2, Gorpius Puaryura, Baird. (Tab. I. f. 4.) 
Body of a uniform dull white colour, quite smooth, with a de- 
pressed line on one side throughout its whole length, obscurely 
ringed at unequal distances, narrower at anterior extremity, 
and terminating in a broad flattish tail, which is slightly bifid. 
Length of animal 32 inches, breadth of middle portion of body 
about 4a line; breadth of tail 1 line. 
Hab. ? Jamaica? 
From the collection of Sir Hans Sloane. 

B. Epidermis granulated. 
3. Gorpius ToLosANuvs. 
Gordius aquaticus (part), Auctorwm. 
Gordius aquaticus? Baird, Proceedings of Berw. Club, i. 
Gordius Tolosanus, Dujardin, Ann. Sc. Nat. 2nd series, 1842, xviii. 
146, Hist. Nat. Helminth. 298. 
Hab. Fresh-water ponds and slow running streams. 
a. & p From Berwickshire. From the collection of Dr. G. John- 
ston. 
6. & From the collection of Col. Montagu. 
c. & From Wivelescombe, Somersetshire. From the collection of 
Dr. Leach. 
4 Gorpius verRucosus, Baird. (Tab. I. f. 5.) 
Body black, covered all over with innumerable small raised warty 
papille, round and very stiff like a piece of wire. An impressed 
line runs on each side through the whole length. Head small. 
' Anterior extremity narrower than posterior, Length 6 inches; 
breadth about 4 a line. 
Hab. 1 
Male, from the collection of Dr. A. Smith, a 

5. Gorpius viouaceus, Baird. 
Body of a dark brown colour, apparently smooth, but under a 
high magnifying power, completely covered with small flattish- 
looking papille, and ringed transversely with very slightly- 
raised circular lines about half or one-third of a millimetre 
apart from each other, tapering slightly at upper extremity - 
and gradually becoming slightly thicker at inferior. Along 
