TABLE OF CONTENTS 



Introductory Remarks 341 



Tribe Brachyura 344 



Subtribe Gymnopleura 344 



Family Raninidae 344 



Raninoides ecuadorensis Rathbun 344 



Ranilia fornicata (Faxon) ........ 345 



Subtribe Dromiacea 346 



Family Dromiidae 346 



Dromidia larraburei Rathbun 346 



Hypoconcha panamensis Smith 348 



Family Dynomenidae 349 



Dynotnene Ursula Stimpson 349 



Subtribe Oxystomata 352 



Family Dorippidae 352 



Ethusa lata Rathbun 352 



Clythrocerus laminatus Rathbun 353 



Family Leucosiidae 354 



Subfamily Ebaliinae 354 



Ebalia hancocki Rathbun 354 



Lithadia cumingii Bell 356 



Uhlias ellipticus Stimpson 357 



Subfamily Philyrinae 358 



*Persephona edwardsii Bell . 358 



*Leiicosilia jurinei (Saussure) 358 



Randallia agaricias Rathbun 359 



Family Calappidae 360 



Subfamily Calappinae 360 



Calappa convexa Saussure 360 



Mursia gaudichaudii (Milne Edwards) 361 



Cyclo'es bairdii Stimpson 362 



Subfamily Matutinae 364 



Osachila galapagensis Rathbun 364 



Osachila levis Rathbun 365 



Subtribe Brachygnatha 366 



Superfamily Oxyrhyncha 366 



* Species not collected in the Galapagos by Hancock Expeditions, nor by 

 any expedition in the last 115 years. 



t Species not collected in the Galapagos by Hancock Expeditions, but 

 collected by other recent expeditions. 



