( cxxxviii ) 



Platiphora luhbocki, exhibited, Ixix. 



Polistes gallica ( = gallicus), cells of, exhibited, liv. 



„ „ „ great abundance of, iu Majorca, 609 ; devoured 



by Dasypogon diadema, 640. 

 Polydrnsus sericeus, exhibited, Ivi. 

 Ponipiliix viaticus, carrying a spider much larger than it.self, 600 ; devoured 



by its mimic Dasypogon diadema ? , La Grauja, 634, 661. 

 President's Address, xcv. 



Protective resemblance of moths from British Guiana, note on, Ixxii. 

 Protective habit of Pieris rapas, Ixxv. 

 Psammophila hirsuta, swarming near the summit of Penalara, La Granja, 



xxiv, 636. 

 Pselaphus dresdensis, Hubst., exhibited, xxviii. 

 Pterophorus lithodactylua, moulting habits of larva of, Ixxi. 

 Ptimts tectus, exhibited, i. 



Ptychoderes elongatus, Germ., note on larva of, Ixxxiv. 

 Pyrameis cardui, assembling habit of, xxiv ; courtship of, xlv. 

 Pyropsyche moncaunella, exhibited, vi. 

 Quedius nigrocceridexts, exhibited, Ixxxiii. 

 Rest attitude of lepidoptera, Ixxxviii. 

 Rhizotrogus? sp., exhibited, Ivi. 



Rhynchota, egg-clusters of, protected by female, 483. 

 Rumia cratasgata, pupa enclosed in Pieris pupa case, exhibited, xxxiii. 

 Sagra hiimeralis, n. sp., exhibited, Ixxxiii. S. senegalensis, exhibited, xxviii. 

 Salius hisdecoratus, the female mimetic of Scolia quadripunctata, 602. 

 Satyrids adopting sideways attitude at rest, Ixxxviii. 

 Satyrus semele, scent of, note upon, Iviii. 



Sceliphron pensilis, during flight suggests the appearance of two insects, 605. 

 Scent of male Pierine butterflies, Ivi-lx ; of Indian Rhopalocera, noted, 



Ixxxviii-ix. 

 Smerinthus qtiercus, newly-hatched larva of, moulting without food, 



Ixxi. 

 Solenopsis geminata, exhibited, Ixvi. 



South African Butterflies, imperfectly kuown forms of, exhibited, iv. 

 Spain, numbers of species of Aculeates captured compared with those of 



Majorca, 624-626 ; routes followed in 1900, 1901 and 1902, 625-630. 

 Species? What is a, discussion, xiii-xvii. 

 Spencer, Herbert, extract from will of the late, xvii. 

 Sphecodes, mimetic (synaposematic) species of, Spain, Ixv, 644-649; other 



Aculeates synaposematic with, 646-649. 

 Sjihecodes reticidatus, devoured by flower-haunting spider, Montserrat, 644. 

 Spider, mimetic of Coccinellid, exhibited, Ixvi. 

 Spiracles in larva of Hylehorus, 102. 

 Stactohia atra, Hag., comparison of appendages of with Ris' figure of those 



of S. fuscicornis, 326. 

 Stactohia eatonianella, McL,, reference to Klapalek's figure of, ih. 

 Stratiomyidfe to Cyrtidse, discussion on Dipterous families of, xxviii-xxxii. 

 Stridulating Moth from New South Wales, exhibited, v. 

 Stridulating organs, sexual differences in Coleoptera, 716 ; relation to 



situation, 719. 



