CONTENTS. IX 



MOLLUSCA (Continued). PAGE 



AMPHINEURA 115 



Chaetopleura 115 



GASTROPODA 116 



Fulgur (Sycotypus) 116 



CEPHALOPODA 124 



Loligo pealii (Squid) 124 



ARTHROPODA 133 



CRUSTACEA 137 



Homarus americanus (Lobster) 137 



Callinectes hastatus (Blue Crab) 144 



Eupagurus (Hermit Crab) 148 



Hippa (Sand Mole) 148 



Squilla 149 



Mysis 151 



Talorchestia (Beach-Flea) 151 



Porcellio or Oniscus (Sow-Bug) 152 



Caprella 153 



Branchipus (Fairy Shrimp) 153 



Daphnia 154 



Cyclops (Water-Flea) 155 



Argulus (Fish-Louse) 156 



Lepas (Goose-Barnacle) 156 



ARACHNOIDEA 158 



Limulus (Horseshoe Crab) 158 



Buthus (Scorpion) 159 



Epeira (Round-Web Spider) 160 



Phoxichilidium 162 



M YRIAPODA 163 



Lithobius (Centipede, Earwig) 163 



Julus (Thousand-legs) 164 



INSECTA 164 



Acridium (Grasshopper) 164 



Apis mellifica (Honey-Bee) 170 



CHORDATA 174 



UROCHORDA 175 



Dolichoglossus (Balanoglossus) 175 



Molgula manhattensis 176 



Perophora 180 



Botryllus 180 



Amarcecium (Sea-Pork) 181 



Salpa cordiformis 183 



ACRANIA 185 



Amphioxus lanceolatus 185 



NOTES FOR GUIDANCE IN MAKING PERMANENT PREPA- 

 RATIONS 187 



GLOSSARY 193 



INDEX.. . 207 



