CONTENTS 



LARVAE OF DECAPOD CRUSTACEA. PART VI. THE GENUS 5£/?G£5r£'5 (published 

 30th July, 1940) 



By R. Gurney and M. V. Lebour 



Introduction page 3 



Movements of the Larvae 

 Systematic Importance of the Larvae 

 Identification of the Larvae . 

 Key to the Acanthosoma Stages 



Group I 



Group II 



Tables of Measurements 

 Literature .... 



5 

 6 

 8 

 8 



9 

 46 

 64 

 67 



ASTEROIDEA (published 25th November, 1940) 



By Walter K. Fisher 



Introduction . 

 Asteroidea 

 Bibliography . 

 Index 



Text-figures A-M 

 Plates I-XXIII 



page 71 



• 76 



• 274 

 . 278 

 . 280 



following page 306 



ON THE STRUCTURE OF THE PHOTOPHORES OF SOME DECAPOD CRUSTACEA 



(published i6th December, 1940) 



By Ralph Dennell, D.Sc. 



Introduction page 309 



Material and Methods .... 



Penaeidae: Sergestidae .... 



Caridea: Pandalidae. Parapandalus richardi (Coutiere) 



Caridea: Hoplophoridae 



Discussion 



Summary 



References 



Plates XXIV-XXVI .... 



309 

 310 

 322 

 328 

 369 



378 

 380 

 Jollozvhig page 382 



55151 



