430 PROCEEDINGS OF THE NATIONAL MUSEUM. 



LIST OF SPECIES. 



OEDER ISOPODA. 



1. Otrolana cubensis, new species. 



2. Oniscus asellus Linnseus. 



ORDER DECAPODA. 



MACRUKA. 



3. Palsemonetes eigenmanni, new species. 



4. Palasmonetes cubensis, new species. 



5. Bithynis jamaicensis (Herbst). 



6. Bithynis olfersii {Wiegm&nn). 



7. Bithynis acanthurus (Wiegmann). 



8. Xiphocaris clongata (Guerin) 



9. Penscus brasUiensis Latreille. 



10. Cambarus cubensis Saussure. 



BRACHYURA. 



11. Callinectes sapidus acutidens Rathbun. 



12. Epilobocera cubensis Stinipson. 



13. Goniopsis cruentata (Latreille). 



14. Ucides cordatus (Linnaeus). 



I. CIROLANA CUBENSIS, new species. 



Types.— CsLt No. 26348, U.S.N.M. Cavern at San Isidro, Cuba. 

 C. H. Eigenmann, Col., 1902. 



Body oval, a little more than twice as long as broad, widest a little 

 behind the middle, rather strongly convex, and perfectly smooth. 



Head a little broader than long, slightly pro- 

 duced in front. Mesosome broader, with its 

 greatest width at thefif th segment; coxal plates 

 of the second, third, fourth, fifth, and sixth 

 segments successively more enlarged and more 

 strongly produced backward as an acute angle. 

 The plate of the seventh segment is about the 

 same size as the one preceding it. Metasome 

 narrower than mesosome, of five segments, 

 each of which, except the last, has the lateral 

 angles strongly produced posteriori}^; telson 

 as long as the metasome, its margins gently 

 curved and convergent for about two-thirds of 

 Fig. 1.— ciROLANA ruBENsis. its length, and then rather abruptly strongly 

 convergent to form a short, obtuse tip. The 

 eyes are altogether wanting. First antenna Avith three basal seg- 

 ments and a short flagellum which, when extended backward, reaches 

 slightly beyond the posterior margin of the lirst thoracic segment. 

 Second antenna with live basal segments, and a long, slender flagel_ 



