4G8 Mr. L. A. Borradalle on the 



Tribe A n o ii u r a. 



Superfamily Galatheidea. 



Families : /Egleidge, Chii'ostylidae, Galatheidae (subfamilies : 

 Galatheinas, Muuidopsiaae), Porcellanidae. 

 Superfamily Thalassinidea. 

 Families : Axiidae, Laomediidse, Callianassid;^ (subfamilies : 

 Callianassinse, Upog-ebiinse), Tlialassiuidse. 

 Superfamily Fcif/uridea. 



Families : Pyloclielid;ie, Paj?urid;B (subfamilies : Pa^-urinse, 

 Eupagurinae),Coenobitid£e, Litliodidae (subfamilies: Hapalo- 

 gastrinte, Lithodinae). 

 Superfamily Hippidea. 



Families: Albuneidae, Hippidae. 



Tribe Brachyuha. 

 Subtribe Dromiacea. 

 Superfamily Dromiidea. 



Families : Homolodromiidse, DromiidiB, Dynomeriidje. 

 Superfamily Homolidea. 



Families : Homolidas, Latreillidae. 



Subtribe Brachygnatha. 



Superfamily Brachyrhynvha {Cancridea). 



Families: Corystidse, Atelecyclidse (subfamilies : Thiinse, Acan- 

 tbocycliuse, Atelecyclinae), PTricbiidse, Canc-ridae (sub- 

 families: Cancrinae, Pirimeliuae), Portuoidae (subfamilies: 

 Carcinidinae, Portumniuae, Catoptrinae, Carupinae, Portun- 

 inae, Capliyrinae, Thalamitinae,Podopbthalminpe),Potamon- 

 idae (subfamilies : Potamoniuae, Deckeniinae, Potamocarein- 

 inae. Trichodactyliuae), Xantbidae (subfamilies: Xanthinae, 

 Cavpilinae, Etisinae, Meuippinae, Trapeziiuae, Eriphiinae, 

 Oziiuae), Carcinoplacidte (subfamilies : Carcinoplacinae, 

 Gonoplacinae, Prionoplacinae, Rliizopinae, Hexapodinae), 

 Piiinotheridae, Grapsidae (subfamilies: Grapsiua3, Varuninae, 

 Sesarminae, Plaprusiinae), Gecarcinidae, Ocypodidae (sub- 

 families : Ocypodinae, Macropbthalmiuae, Mictyrinae), Pali- 

 cidae, Ptenoplacidfe, Hapalocarcinidae. 



Superfamily Oxyrhyncha (Maiidea). 



Families : Partbenopidte (subfamilies : Partbeuopinae, Eumedo- 

 ninae), Maiidae (subfamilies : Inacbiuae, Acautbouychinae, 

 Pinnae, Maiinae), Hymenosomidae. 



Subtribe Oxystomata. 



Families : Calappidae (subfamilies : Calappinae, Oritbyinae, 

 Matutinae), Leucosiidae (subfamilies: Leucosiinae, Iliinae), 

 Eauinidae, Dorippidae (subfamilies : Dorippinae, Tymolinae). 



IX. 



A Conspectus of the Classification of the Crustacea Decapoda. 



Key to the Suborders, 



I. Rostrum seldom reduced or absent, if well 

 developed almost invariably compressed. 

 Body almost always compressed. First 

 abdominal segment not mucb smaller than 



