86 
MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 
NORTH AMERICA— Continued. EUROPE— Continued. 
PORIFERA. 
| Spongilla stygia Joseph. Carniola. 
CCELENTERATA. 
Vortex ? cavioolens Pack. 
Dendroccelum percoecum Pack. 
Nematoid worm. 
• Lumbricus, sp. 
Trochosphaera sp.* 
Lepadella sp. 
Hydatina 2 sp. 
Apodoides stygius Joseph, 
sp. 
[ Hydra pellucida Joseph. Carniola. 
| Hydra sp. Fries. Very white. Falkenstein Cave. 
VERMES. 
Planaria cavatica Fries. Falkenstein Cave, Germany. 
Plectus sp. A nematoid worm. 
MOLLUSCA. 
Hydrobia quenstedti Wiedersheim (var. of H. vitrea Drap.) 
(Also see Mr. Dali's letter, foot-note, p. 91). 
CRUSTACEA. 
Canthocamptus cavernarum Pack. 
Ccecidotcea stygia Pack. 
nickajackensis Pack. 
Crangonyx vitreus Cope. 
packardii Smith. 
antmnatus Pack. 
mucronatus Forbes. In wells. 
lucifugus Hay. In wells. 
Cambarus pellueidus Tellkf. 
hamulatm Cope. 
Cyclops hyalinus Joseph. Caves in Carniola 
anophthalmm Joseph. Carniola. 
Batliynella natans Vejd. Wells at Prag. 
Cypris stygia Joseph. Carniola. 
Leptodera pellucida Joseph. Carniola. 
Estlierea caeca Joseph. Carniola. 
BrancMpus pellueidus Joseph. Carniola. 
Asellus cavaticus Schiodte. 
Titanethes albus Schiodte. 
fracticornis Joseph. Carniola. 
brevicornis Joseph. Carniola. 
feneriensis Parona. Italy. 
Typhloniscus stygius Joseph. Italy. 
Honolistra caeca Gerstaecker. Italy. 
Niphargus subterraneus Leach ( stygius Schiodte). 
puteanus Val. St. Geo. 
orcinus Joseph. Carniola. 
Troglocaris schmidlii Dormitzer. Carniola. 
Cambarus stygius Joseph. Carniola. 
Psmdotremia cavernarum Cope. 
Scoterpe,8 copei (Pack.). 
Zygonopus whitei Ryder. 
MYRIOPODA. 
Polydesmus cavernarum Peters. Carniola. Aribge, France 
subterraneus Heller. Aribge, France. 
Brachydesmus subterraneus Heller. Carniola and Moravia. 
Trachysphwra schmidtii Heller. Carniola. 
kyrtlii Wankel. Moravia. 
Craspedosoma simoni Fauz. Spain and Basses-Alpes. 
Strongylosoma bisulcatmn Fanz. Ardbche. 
Blaniulus guttulatus Fanz. Aribge, France. 
Lithobius cavernicolus Fanz. Ari&ge, 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 Brachionidse, live in warm, stagnant water. Nine species in all 
occurred, of which only six were identified (Joseph). 
