II CONTENTS. 



CHAPTER III.— CEUSTACEANS, ..... page 189 



Part I. — A. — Decapodes, TEN-LiMiiKD, Short-taii.ed, Crabs. — 



Brachyuri, . . . . .150 



§ 1. — Cancer M.bnas, — the Shore or Harbour Ci'alj, 150 



§ 2. — Cancer pagurus, — the Common (Edible) Crab, 167 



§ 3. — Cancer (portunus) lividus, — the Flying Crab, 17.S 



§ 4. — Cancer (portunus) pusillus, — the Sand Crab, 183 



§ 5. — Cancer (pinnotheres) veterum, . .189 



B.! — Decapodes, Ten-footed Brachyuri, . . 191 



§ (1.) — Cancer (porcellana) longicornis, — the Ventila- 

 ting Crab, . . . . .191 

 § (2.) — Cancer (porcellana) platycheles, — the Rough- 

 footed Crab, . . .193 

 C. — Cancer (corystes) Cassivelaunus, . .193 

 D. — 1. Cancer (inaciius) Ddksettensis, . . 194 

 D. — 2. Hyas aeaneus, ..... 195 

 D. — 3. Cancer (hyas) coarctatus, . . 196 

 § (4.) — Cancer phalangium, Maceapodia phalangium, 198 

 § (5.) — Cancer horridus, Maia lithodes, — the Prickly 



Crab, 201 



Part II. — A. — Decapodes, Ten-limbed, Long-tailed Crusta- 

 ceans, — Macrouri, .... 202 

 § 1. — Cancer Bernhardus, — the Hermit Crab, or Soldier, 203 

 § 2. — Galathea spinigera, — the Thorny Bastard Lobster, 207 

 B. — Decapodes, Ten-limbed, Long-tailed Crustaceans, — 



Macrouri, — Astacus, the Lobster, . . 211 



§ 1. — Astacus Norvegicus, — the Norwegian Lobster, 211 

 § 2. — Astacus Marinus, — the Common Lobster, . 215 



§ 3. — Crangon, — the Shrimp, . . .217 



§ 4. — Pandalus annclicornis, — the Ring-horn Shrimp, 220 



CHAPTER IV.— MISCELLANEOUS CRUSTACEANS, 



§ 1. — Cancekilla tubulata, 

 § 2. astaricilla, 



§ 3. ASTACILLA longicornis, . 



§ 4. — Oniscus balthicus (Ideotea marina), 

 § 5. — Oniscus (Ideotea) entomon, 

 § 6. — AsELLus Medus-e, 



B. ASELLUS MEDUSiE, . 



C. — Cyclops stagnorum, 

 D. — Cyclops punctatus, 

 E. — Cyclops fasciatus, 



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