CONTENTS 



Introduction page 2g2 



Nephropsidea 294 



Nephrops sp. ? 294 



Enoplometopus 296 



Thalassinidea 299 



Axiidae and Callianassidae .... 299 



Axiits plectorhynchus 303 



Key to the Axiid-Callianassid larvae . 304 



Group I 306 



Group I A 2,06 



Thalassinid D.I 3°^ 



Thalassinid D. II 3°? 



Thalassinid B.R. I 309 



Thalassinid D. Ill 31° 



Thalassinid D. IV 310 



Thalassinid B.R. II 311 



Group IB 312 



Thalassinid D. V 312 



Thalassinid D. VI 313 



Thalassinid D. VII 314 



Thalassinid D. VIII 315 



Thalassinid D. IX 315 



Thalassinid B.R. Ill 316 



Group II 317 



Group II A 318 



Thalassinid D. X 318 



Thalassinid D. XI 320 



Thalassinid D. XII 321 



Thalassinid B.R. IV .... page 322 



Thalassinid B.R. V 323 



Group II B 323 



Thalassinid D. XIII 323 



Thalassinid B.R. VI 324 



Group II C 325 



Callianassa ? D. XIV 325 



Callianassa ? D. XV 325 



Callianassa .' D. XVI 325 



Callianassa .? B.R. VII 326 



Callianassa ? B.R. VIII 327 



Group II D 327 



Callianassa ? D. XVII 327 



Callianassa ? B.R. IX 328 



Callianassa ? B.R. X 329 



Callianassa } B.R. XI 329 



Upogebiidae 330 



Upogcbia B.R. I 330 



Upogebia D. I 332 



Upogebia B.R. II 332 



Laomediidae 332 



Jaxea S. I 333 



Naushonia ? B.R. I 334 



Laomediidae D.I 337 



Conclusion 339 



Key to the families of Thalassinidea . 343 



Literature 343 



