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105 



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LIST OF LETTERS AND FIGURES USED. 



I., Ia., II., III., "IV."=Firsl 



1, 2, 3, 4, 5, 6, 7=Joints ( 

 (3) Ischiopodite, (4) Meropodite, (5) 



a. — Antennule. 

 A. — Antenna. 

 ab. — Abdomen. 

 en. — Endopodite. 

 ep. — Epipodite. 

 ex.— Exopodite. 

 Ir. — Labrum. 

 Im. — First maxilla. 



; to " Fourth" Zoea Stages. 



)f Limb, viz. (1) Coxopodite, (2) Basipodite, 

 Carpopodite, (6) Propodite, (7) Dactylopodite. 



2m. — Second maxilla. 

 Mn. — Mandible. 

 mp. — Maxillipede. 

 o. — Eye. 



1-5 per.— First-Fifth Pereiopods. 

 Pleo. — Pleopod. 

 T. — Telson. 

 Th.— Thorax. 



