TABLE OF CONTENTS. 



INTRODUCTION, . 



Nomenclature, . 

 Morphology, 



Geographical Distribution, 

 General Observations, 



DESCRIPTION OF GENERA AND SPECIES, 

 Trichobranchiata, 

 Aberrantia, . 

 Normalia, 



Synaxidea, 

 Astacidea, 

 Stenopidea, 

 Dendrobranchiata, 

 Normalia, 

 Aberrantia, . 

 Penxidea, 

 Schizopoda, 

 Phyllobranchiata, 

 Aberrantia, . 

 Normalia, 



Crangonidea, 

 Polyearpidea, 

 Monocarpidea, 

 Haplopodea, 



APPENDIX A, 



APPENDIX B, 



INDEX, 



EXPLANATION OF PLATES. 



PAGE 



iii 

 iii 

 vii 

 Iii 

 lxxix 



1 



7 



7 



56 



56 



100 



206 



217 



219 



469 



220 



470 



473 



473 



480 



481 



503 



682 



883 



919 



927 



929 



