INDEX 



455 



Pecten maxim us, 150, 151 



Pectinaria*, 86, 92 



Pectinidae, 151 



Pedalion*, 102, 104 



Pedicellaria*, meaning of term, 61-62 



Pedipalp of spiders*, 180-181 



Pelagia, 40, 49 



Pelobiidae, 264 



Pelobius Hermanni*, 248-249, 264 



Pentacrinus, 68, 69 



Peripatus capensis*, 156-157 



Periplauata*, 266-269 



Periwinkle, Common*, 120-121, 138 



Perla*, 311-313, 325 



Perlidae, 311-313, 325 



Petiole, 362 



Phalangium opilio*, 197, 199, 201 



Phalera bucephala*, 227-229, 239 



Phasmidae, 271, 274 



Phryganea*, 321, 322, 325 



Phryganeidae, 316-324, 325 



Phyllodoce*, 83, 84, 92 



Physa*, 117, 118, 137 



Physidae, 117-118, 137 



Pieridae, 2, 3, 215-224, 238 



Pieris*, 2, 3, 213, 214, 215-223, 

 238, 445 



Pisidium, 148, 151 



Planaria lactea*, 95, 103, 104 



Planorbis*, 112, 115-117, 129, 137 



Plants and animals, differences be- 

 tween unicellular, 20, 21 

 "Planula," 39 



Platyarthrus*, 171, 177, 416 



Plectrocnemia, 323, 325 



Plumatella repens*, 100-101, 103, 

 104 



Plumularia, 32, 48 



Polistcs*, 396 



Polydesmus* , 201, 203 



Polyergus, 415, 419, 427 

 Polyp, Fresh- water*, 23-31 

 Pomatoceros* , 88, 9# 

 Pompilidae, 363, 398, <?99 

 Pompilus, 398, 599 



Pond Skater*, 276, 282-283, 293 



Portunus*, 164, 165 



Praon*, 286-287 



Prawn, Common*, 158-163, ^76', 177 



Zooea larva of, 162 

 Praying Insect, 271, 274 

 Proboscis, described, in Butterflies, 



213 

 of Bee*, 364-365 



Proboscis of Bugs, 276 



of Gnat*, 340 



of House Fly*, 329 

 Proterospongia, 57-58 

 Proteus Animalcule, 5-10 

 Ptinides, 258-259, 264 

 P^llex irritans, 359, 360 

 Pulvinula*, 10, 19 

 Pupa cylindraceae*, 132, 138 

 Pupal stage, meaning of term, 211 

 Pupidae, 132, 138 

 Pyrrhosoma, 306, 325 



Radula*, 111-112 

 Ranatra*, 279, 293 

 "Rat-tailed Maggot" *, 334 

 Rhodites rosae*, 435, 437-438 

 Rhynchites betulae*, 262, 263 

 " Robin's Cushion," 437 

 Rostrum, use of term, 158 

 Rotifera*, 101-103, 104 



Sabella*, 86-88, 92 

 Sagartia beliis, 51 

 Salticidae, 195-196, 199 

 Salticus scenicus*, 195-196, 199 

 Sarcoptes, 199 

 Sarcoptidae, 198, 199 

 Saw-fly, Bean-gall*, 435, 446 



Currant, 432, 446 



Gooseberry, 432 



Hawthorn*, 442 



Pea-gall*, 432, 435 



Pine*, 430-431, 446 



Rose, 431, 446 



Turnip, 432, 446 

 Scale Insects*, 292-293 

 Scallop, Common, 150, 151 

 Scolytidae, 263-264 

 Scyphistoma*, 39, 40, 41 

 Sea Anemones*, 42-45, 49, 51 

 Sea Cucumber*, 67, 69 

 Sea Firs*, 31, 32, 48 

 Sea Lily*, 68, 69 

 Sea-mat*, 98-99, 103, 104 

 Sea Mouse, 83-84, 92 

 Sea Snake*, 96, 97, 103 

 Sea Urchin, 66-67, 69 

 Serpula*, 84, 87, 88, 92, 93 

 Sertularia*, 31-32, 48 

 Shrimp, Common, 160, 163, 176, 177 



Fresh-water*, 169-170, 177, 178 

 Sialidae, 313-315, 325 

 Sialis*, 313-315,325 



