86 



MEMOIES OF THE NATIONAL ACADEMY OF SCIENCES. 



NORTH AMERICA— Continued. 



EUROPE— Continued. 

 POEIFERA. 



| Spongilla stygia Joseph. Carniola. 

 CCELENTERATA. 



I Hydra pellucida Joseph. Carniola. 



| Hydra sp. Fries. Very white. Falkenstein Cave. 



VERMES. 



Vortex ? cavicolens Pack. 

 Dendrocoslum percoecum Pack. 

 Nematoid worm. 

 Lumbricus, sp. 

 Troclwsphwra sp.* 

 Lepadella sp. 

 Hydatina 2 sp. 

 Apodoides stygius Joseph, 

 sp. 



Planaria cavatica Fries. Falkenstein Cave, Germany. 

 Plectus sp. A nematoid worm. 



MOLLUSCA. 



Hydrobia quenstedti Wiedersheim (var. of H. viirea Drap.) 

 (Also see Mr. Dall's letter, foot-note, p. 91). 



CRUSTACEA. 



Canthocamptus cavernarum Pack. 



Ccecidotcea stygia Pack. 



nlckajacUensis Pack. 



Crangonyx vitreus Cope. 



pacjcardii Smith. 



antennatus Pack. 



mucronatus Forbes. In wells. 



luci/ugus Hay. In wells. 

 Cambarus pellucidus Tellkf. 

 hamulatus Cope. 



Pseudoti-emia cavernarum Cope. 

 Scoterpes copei (Pack.). 

 Zygonopus whitei Ryder. 



Cyclops hyalinus Joseph. Caves in Carniola 



anophthalmus Joseph. Carniola. 

 Bathynella natans Vejd. "Wells at Prag. 

 Cypris stygia Joseph. Carniola. 

 Leptodera pellucida Joseph. Carniola. 

 Estlierea cwca Joseph. Carniola. 

 Branchipus pellucidus Joseph. Carniola.. 

 Asellus cavaticus Schiodte. 

 Titanethes albus Schiodte. 



fracticornis Joseph. Carniola. 



brevicomis Joseph. Carniola. 



feneriensis Parona. Italy. 

 Typhloniscus stygius Joseph. Italy. 

 Monolistra cwca Gerstaecker. Italy. 

 Niphargus subterraneus Leach (stygius Schiodte). 



puteanus Val. St. Geo. 



orcinus Joseph. Carnioia. 

 Troglocaris schmidlii Dormitzer. Carniola. 

 Cambarus stygius Joseph. Carniola. 



MYRIOPODA. 



Polydesmus cavernarum Peters. Carniola. Ariege, France 



subterraneus Heller. Ariege, France. 

 Brachydesmus subterraneus Heller. Carniola and Moravia. 

 Trachysphcera schmidtii Heller. Carniola. 



hyrtlii Wankel. Moravia. 

 Craspedosoma simoni Fauz.. Spain and Basses-Alpes. 

 Strongylosoma bisulcatum Fanz. Ardeche. 

 Blaniulus guttula,tus Fanz. Ariege, France. 

 Lithobius cavernicolus Fanz. Ariege, France. 

 speluncarum Fanz. Ariege, France. 



* In the cold cave waters of Carniola occur only species where out-of-door relatives live in fresh, clear water in 

 spring, while forms are wanting which, like the Brackionidae, live in warm, stagnant water. Nine species in all 

 occurred, of which only six were identified (Joseph). 



