CONTENTS OF VOL. II. xliii 



Page. 



Pisa. Maja. Egeria. Hyas. Lithodes. Ina- 

 chus. Macropodia. Leptopodia. Leucosia. . 547 



B. Macroura. Pagurus. Scyllarus, Palinurus. Pro- 

 cellaria. Gebea. Astacus. Crangon. Atya. Pan- 

 dalus. Panaeus. Palsemon. Mysis. Nebalia. 550 



Tribe II. Edriophthalma. 



Phronyma. Talitrus. Atylus. Dexamine. Melita. 

 Gammarus. Podocerus. Corophium. Proto. La- 

 runda. Idotea. Antliura. Campeopea. Cymo- 

 dice. ^Ega. Eurydice. Apseudes. Janira Jasra. 

 Ligia Philoscia. Porcellio. Armadillo. 552 



Section II. ENTOMOSTRACA. 



Division J. Limulus. Apus. Argulus. Cecrops. 2. 



Lynceus. Cypris. 3. Cyclops. 4. Branchiopoda. 554- 



Epizaorice. Chondrocanthus. , . 556 



Podosomata. Pycnogonum ib. 



Order II. With Pulmonary Aerating Or- 

 gans. 



Section I. Head destitute of Antennae. 

 ARACHNIDA. 



Tribe L Lungs in the form of lateral sacs. 



A. Palpi bearing the male organs in the last joint. 



1, Mandibles with three hooks folded transversely. 

 Segistria. Scytodes. Linyphia. Sparassus Ctenus. 



Eresus. . . 556 



2. Mandibles with their hooks folded ventrally. 



Mygale, Avicularia, Atypus, Eriodon. 55? 



B. Palpi large, unconnected with the sexual organs. 



1 . Abdomen pedunculated, Thelyphonus, Phrynus, 557 



2. Abdomen sessile. 



Scorpio, Buthus, . ib. 



