THE LIFE OF CRUSTACEA 



PAGE 



19. Apseudes spinosus, One of the Tanaidacea. Enlarged 50 



20. A WooDLOUSE {Porcellio scaber), One of the Isopoda. 



Enlarged - - - - - -51 



21. An Amphipod {Gammarus locusta). Enlarged - - 53 



22. Two Species of Caprellid^e - - - - 54 



23. Paracyamus boopis, the Whale-louse of thf Hump- 



back Whale - - - - - -55 



24. Meganyctiphanes norvegica, One of the Euphausiacea. 



Twice Natural Size - - - - - 5^ 



25. Larval Stages of the Common Shore Crab {Carchtus 



mcBnas — see Plate IX.) - - - - - 68 



26. Last Larval Stage of the Common Porcelain Crab 



{Porcellana longicornis—SEE Fig. 41, P. 113). x 9 - 70 



27. First Larval Stage of Munida rugosa (see Plate VL) 



X 10 - - - - - - - 71 



28. The Phyllosoma Larva of the Common Spiny Lobster 



{Palinunis vulgaris— see Plate V.). Much enlarged 72 



29. Larval Stages of the Prawn PencBiis (see Plate IV.). 



X 45 74 



30. Newly - hatched Young of a Crayfish {Astaciis 



fluviatilis). Enlarged - - - - -76 



31. Young Specimen of an African River Crab {Potamon 



johnstoni), taken from the Abdomen of the Mother. 

 Much enlarged - - - - - - 78 



32. Early Larval Stage of a Species of Squilla, prob- 



ably 5. dubia. x 10 - - - - - 80 



33. Larval Stages of the Brine Shrimp {Artemia salina)- 81 



34. Early Nauplius Larva of a Copepod (Cyclops). Much 



enlarged - - - - - - - 82 



35. Larval Stages of the Common Rock Barnacle 



{Balaniis balanoides— see Plate III.) - - - 83 



36. A Common Hermit Crab {Eupagiivus bernhardtis) removed 



from the Shell- - - - - - 91 



37. Pylocheles miersii, a Symmetrical Hermit Crab - - 94 



38. Callianassa stebbingi (Female), a Sand - burrowing 



Thalassinid from the South Coast of England. 

 Natural Size - - - - - - 103 



39. The Common Sand-hopper {Talitrus saltator), Male, 



from the Side, x 3 - - - - - 108 



