CONTENTS ix 



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Membrane-winged Insects (Hymenoptera] Wood- Wasp (Sirex gigas}; 

 Corn Saw-Fly (Cephus pygmceus}; Saw-Flies Proper (Tenthredinidce] Rose 

 Saw-Fly (Hylotoma roscz), Turnip Saw-Fly (Athalia spinarum}. Carpenter Bee 

 (Xylocopa violacea}, Leaf-cutting Bees (Megachile\ Poppy Bee (Anthocopa 

 papaveris}. Solitary Wasps (Eumenidce] Odynerus and Eumenes; Solitary 

 Digging-" Wasps " (Fossores] - - .... 386 



Beetles (Coleopterd] Long-horned Oak-Beetle (Cerambyx heros}, Birch- 

 Weevil (Rhynchites betulce], Burying-Beetles (Necrophorus}, Great Black Water- 

 Beetle (Hydrophilus piceus] - - 393 



Scale-winged Insects (Lepidopterd] Cabbage Butterfly (Pieris brassica), 

 Lappet- Moths (Lasiocampidce), " Basket- Worms " (PsychicUz\ Fritillaries, &c. 

 (Nyuiphalidce\ Silver-Y Moth (Plusia gamma}, Silkworm Moth (Bombyx mori\ 

 Heart-and-Dart Moth (Agrotis exclamationis), Brephos notha, Aquatic Cater- 

 pillars (PaJustra), Puss-Moth (Cerura vimila}, Burnet-Moths (Zygcenida\ 

 Indian Skipper Butterfly (Badamia exclamationis} 399 



Two-winged Flies (Dipterd] Hover-Flies (Syrphus], D rone- Fly (Eristalis 

 tenax). Ringed Gnat (Culex annulatus} - - 402 



LIFE- HISTORIES, &c., OF MOLLUSCS (MOLLUSCA) Primitive Molluscs (Amphi- 



neura) Mail-Shells (Chiton, &c.) Eggs and Trochosphere Larva - 404 



Bivalve Molluscs (Lamellibranchid] Protection and Incubation of Eggs 

 in Common Oysters (Ostrea edulis\ and Freshwater Forms (Unio, Anodon, 

 Cyrena, and Cyclas) ; Veliger Larva; Life-History of Freshwater Mussels (Unto 

 and Anodon); Glochidium Larva. Dwellings of Bivalves; Byssus of Edible 

 Mussel (Mytilus edulis), Tridacna\ Nests of File-Shells (Lima}; Saddle-Oyster 

 (Anomia ephippium\ Scallops (Pecten\ Thorny Oysters (Spondylus] Boring 

 Forms Piddocks (Pholas\ Pholadidea, Jouannetia, Ship- Worm (Teredo 

 navalis), Date-Shells (Lithodomus) - 405 



Tusk-Shells (Scaphopoda) Trochosphere Larva - - - - 411 



Snails a?id Slugs (Gastropoda] Laying and Protection of Eggs Limpet 

 (Patella) and Sea-Ear (Haliotis)\ Spawn of Sea-Hare (Aplysia) and Sea-Lemon 

 (Doris}; Egg- Capsules of Purple-Shell (Purpura lapillus], Whelk (Buccinum 

 undatuni), Dog- Whelk (Nassa); Egg-Bands of Natica\ Egg-Raft of Violet- 

 Snail (Ianthina}\ Care of Egg-Capsules in Bonnet-Limpets (Crepidula} and 

 Worm-Snails (Vermetus}. Spawn of Pond-Snails (Limncea} and Trumpet- 

 Snails (Planorbis); Viviparous River-Snail (Paludina vivipara). Spawn of 

 Land-Slugs (Limax, &c.) ; Eggs of Land-Snails (Helix and Bulimus). Gastro- 

 pod Larvae Trochosphere and Veliger, Onchidium. Gastropod Dwellings 

 Burrowers ; Types of Shell ; " Scars " of Limpet (Patella} ; Threads of Pota- 

 mides - - - - - - - - - - _ - _ -412 



Head-Footed Molluscs (Cephalopoda} Spawn of Squid (Loligo] ; Egg- 

 Capsules of Cuttle- Fish (Sepia} and Octopods (Eledone and Octopus]. Care of 

 Eggs in Paper Nautilus (Argonauta). Egg-Capsules of Pearly Nautilus 

 (Nautilus] -------_--__. 417 



LIFE-HISTORIES, &c., OF NEMERTINE WORMS (NEMERTEA) Pilidium Larva. 



Dwellings - - - 419 



