1883. | Zoölogy 89 
rorchus Val., at Messina. Also, in November last, Malacocephalus 
@vis, and a species that is probably new, and may be allied to 
Malacosteus. This fish is deep black, with small eyes, and skin 
free from scales, and is evidently abyssal. A specimen of Nota- 
canthus, perhaps the rarest of fishes, was also found. It is evi- 
dently nearly allied to N. rissoanus De Fillippi, yet differs from 
the description of that species. The harbor of Messina is a most 
favorable spot for obtaining deep-sea fishes, in stormy weather such 
forms as Chauliodus, Stomias, Argyropelecus, Microstoma, Coecia, 
Maurolicus, and ten or twelve kinds of Scopelus are thrown up 
in hundreds. 
A CAVE INHABITING FLat-Worm.—In May, 1874, while inves- 
tigating the cave-life of the Carter caves in Eastern Kentucky under 
the auspices of the Geological Survey of Kentucky, Professor N. 
S. Shaler, director, I discovered in a brook in X cave, a Planarian 
which belongs to the Rhabdoccela, while the Planarian found by 
us in the brook in Mammoth cave is a Turbellarian. This is 
figured in our “ Zodlogy” p. 141 under the name of Dendrocelum 
percecum. The Rhabdoccelous worm found in the Carter caves 
belongs near Vortex, and it may provisionally 
be called Vortea cavicolens. The body is flat, 
elongated, narrow, lanceolate oval, contracting 
in width much more than is usual in Vortex. 
The pharynx is situated much farther back from 
the anterior end of the body than usual in Vor- 
tex, being placed a little in front of the middle i - 
of the body ; it is moderately long, being oval ,.P/3n"!2" bales sare 
in outline. The body behind suddenly con- 4, ventral; 6 x mag- 
tracts just before the somewhat pointed end. nified; c, nat. size, ven- 
The genital outlet is about one-half as wide as "!} 4 proboscis. 
the pharynx and orbicular in outline. Though described from 
two alchoholic specimens I can discover no eyes, nor do I remem- 
r seeing any when it was living, it was, when alive, white and 
apparently eyeless. Length 4™™; breadth 1.5™™. Found in X 
cave, one of the Carter caves, Eastern Kentucky. 
This w not prove to be a genuine Vortex, the species 
of which are broad and blunt in front, with the pharynx much 
nearer the front end than in the present species, which is therefore 
only provisionally placed in the genus Vortex. In Vortex cacus 
Œrsted the eyes, as the specific name implies, are wanting, but most 
of the species have eyes. As our species occurred in a brook in 
a dark cave, it would naturally, as in the case of the Mammoth cave 
eyeless white Planarian,, be eyeless, and as a consequence of los- 
ing its eyes become white. Schultze in his Naturgeschichte der 
Turbellarien states that Vortex viridis in winter was generally 
without chlorophyll bodies and wholly white, but that in April the 
white individuals are rare. He then adds. “Kept fora consider- 
le time in darkness the green animals become through bleach- 
e 
