6 Table of Contents. 
PAGE 
Sub-Order — A sellota ...... 42 
,, Phreatoicidea ..... 42 
,, Flabellifera ..... 42 
,, Valvifera ..... 42 
,, Oniscoidea ..... 43 
„ Epicaridea ..... 44 
Order — A mphipoda ...... 45 
Sub -Order — G ammaridea ..... 45 
,, Hyperiidea ..... 47 
,, Caprellidea ..... 47 
Division— H oplocarida 47 
Order — S tomatopoda ...... 47 
Division — E ucarida ...... 49 
Order — E uphausiacea ...... 49 
,, Decapoda ....... 50 
Sub-Order — M acrura ...... 51 
Tribe — P enaeidea . . . . . . 51 
,, Stenopidea ...... 51 
,, Caridea ...... 51 
,, Astacidea (Nephropsidea) ... 53 
,, Loricata (Scyllaridea) .... 56 
,, Eryonidea ...... 58 
,, Thalassinidea ..... 59 
Sub-Order — A nomura ...... 59 
Tribe — P aguridea ...... 60 
,, Galatheidea ..... 63 
„ Hippidea ...... 64 
Sub -Order — B rachyura ..... 64 
Tribe — D romiacea ...... 65 
,, Oxystomata ...... 66 
,, OxYRHYNCHA ...... 68 
,, Cyclometopa ..... 70 
,, Catometopa ...... 73 
Class 2.— TEILOBITA ... 77 
Class 3. — ARACHNIDA ... 80 
Sub-Class— EUARACHNIDA 81 
Division — B elobranchia ..... 81 
Order — X iphosura ....... 81 
„ Gigantostraca ...... 83 
Division — E mbolobranchia ..... 84 
Order — S corpiones ....... 84 
,, Pedipalpi ....... 87 
