A. JE. Verrill — Additions to the Fauna of the Bermudas. 41 



green, striped longitudinally with about eight hands of bright pink 

 or light violet-red, these stripes being of nearly the same breadth as 

 the green ones. Proboscis similar to the greenish parts of the body, 

 but rather lighter, or more distinctly bluish, without stripes. 



The body, in expansion, was usually thick-fusiform or larger in 

 front of the middle. The proboscis was usually short, stout and 

 blunt, but changeable according to state of expansion. 



Three specimens were collected on one of the serpuline atolls near 

 Hungry Bay, at a very low tide in March. They were imbedded in 

 loose sand and gravel. (A. II. V.) 



TURBELLARIA. 



POLTCLADIA. 



Thysanozoon nigrum Girard. 



Thysanozoon nigrum Girard, Proc. Boston Soc. Nat. Hist., vol. iv, p. 137. 



1854 (from Cape Florida). 

 Thysanozoon Brochii, var. nigrum Lang, Die Polycladen, Fauna und Flora des 



Golfes von Neapel, p. 535, 1884. 



A large, nearly jet black species, thickly covered above with large 

 obtuse or subacute, unequal papillae. 



Body broad, oblong-elliptical, with thin undulated margins, used 

 actively in swimming. Tentacular lobes elongated, projecting 

 upward and forward, deeply folded. A small, roundish or cordate 

 cerebral cluster of minute ocelli, surrounded by a small pale area. 

 Whole dorsal side covered with rather closely crowded papilla?, part of 

 which are much smaller than the others ; they are mostly tapered 

 and rather obtuse, but many are fusiform and subacute. 



Color usually nearly pure black, sometimes with patches of dark 

 gray and fine specks of white, and with faint yellowish reticulated 

 lines anteriorly ; under side light smoky brown. Papilla? blackish, 

 often tinged with greenish yellow. 



Length, in life, up to 60 mm ; breadth, 30 to 45 mm . 



Castle Harbor and Harrington Sound, in May, usually found swim- 

 ming actively at the surface, but sometimes living under stones. 



It was called "sea-devil" by some of the fishermen, probably 

 owing to its black color. 



Thysanozoon griseum V., sp. nov. 



Plate V. Figure ?. 



Body usually oblong-elliptical or ovate in extension, but change- 

 able. Length to breadth often as 2: 1. Dorsal surface thickly cov- 



