660 
Rhinocolletes, 596. 
Rhinocorynura, 596. 
Rhizotrogus, 157, 165. 
assimilis obscurus, 175. 
majalis, 175. 
solstitialis, 175. 
(Amphimallon) solstitialis, 164. 
Rhodanthidium, 596. 
Rhodine, 182. 
bitorquata, 102, 132. 
Rhodobombus, 589, 596. 
Rhodocentris, 555, 558, 596. 
rhodognatha, Ashmeadiella, 5387. 
rhodura, Megachile, 556. 
rhois, Pityophthorus, 206, 207. 
rhombeata, Dipsas cenchoa, 384. 
rhombifer, Gerrhonotus, 365. 
Rhopalictus, 575, 596. 
rhopalocera, Thyreothremma, 604. 
Rhopalomelissa, 596. 
xanthogaster, 596. 
Rhopalopherus, 88. 
gestroi, 88. 
Rhophites, 585, 596, 597. 
eanus, 597. 
(Pararhophites) quadratus, 585. 
Rhophitoides, 597. 
distinguendus, 597. 
Rhophitulus, 597. 
friesei, 597. 
frisei, 597. 
Rhopocrinus, 151, 152. 
muncipalis, 152, 153, 154. 
proboscidialis, 153, 154. 
spinosus, 152, 153. 
rigidae, Aroga, 274. 
Rivalisia, 597. 
metallica, 597. 
rivipacis, Boreostracon, 499. 
robai, Pityophthoroides, 200. 
robbii, Halictus (Nesohalictus), 576. 
Robertsonella, 597. 
gleasoni, 597. 
simplex, 597. 
robusta, Cilissa, 593. 
Drilonereis, 102, 119 (fig.), 125. 
Laranda, 102, 125. 
Leanira, 102, 104, 105 (fig.). 
Lumbrineris, 119. 
Robustobombus, 597. 
robustus, 597. 
robustum, Otobothrium, 30. 
robustus, Alpigenobombus, 597. 
Bombus, 597. 
Robustobombus, 597. 
roceliella, Filatima, 271. 
Rodentia, 485, 505. 
Romerolagus, 492. 
Rophites, 585, 596, 597. 
quinquespinosa, 597. 
rostrata, Oediscelis (Pseudiscelis), 593. 
Rostratilapis, 597. 
rozellae, Celestus, 372, 374. 
rubi, Chelynia, 569. 
Stelis, 569. 
rubicunda, Melitta, 556. 
PROCEEDINGS OF THE NATIONAL MUSEUM 
VOL, 92 
Rubicundobombus, 597. 
rubicundus, 597. 
rubicundulus, Phloeosinus, 403, 431, 434, 
435, 478, 474. 
rubicundus, Bombus, 597. 
Fervidobombus, 597. 
Rubicundobombus, 597. 
rubifloris, Chelynia, 537. 
rubriventris, Chilicola, 537. 
rudicollis, Gerrhonotus, 365, 368. 
rudis, Pityophthorus, 212. 
rufa, Apis, 524, 586, 580, 581. 
Mermiglossa, 572. 
Osmia, 524, 581. 
rufescens, Alphaneura, 5238. 
ruficaudus, Halictoides, 578. 
ruficeps, Trichiothecus, 285. 
ruficollis, Macrocera, 566. 
ruficornis, Apis, 577. 
Nomada, 577. 
rufifloris, Chelostomopsis, 595. 
Chelynia, 595. 
rufimanus, Megachile, 537. 
Rufipedibombus, 597. 
rufipes, 597. 
rufipes, Bombus, 597. 
Rufipedibombus, 597. 
Zacesta, 608. 
rufiventris, Ammobates, 524. 
rufobalteatum, Protoanthidium, 591. 
rufocaerulea, Brachyglossa, 531. 
rufogastra, Allodape, 523. 
rufopetiolata, Oneilella, 278. 
rufus, Canis, 500, 501. 
Ophichthus, 302. 
rugifrons, Chelostoma, 537. 
rugipennis, Luperodes, 59, 68. 
rugosa, Andrena, 605. 
rugosum, Thysanocephalum, 
(fig.). 
rugosus, Phloeosinus, 407, 467, 473. 
ruidosae, Onychomys leucogaster, 509. 
Rumeba, subg., 78. 82, 88, 90. 
rupestris, Apis, 527, 594. 
russus, Phloeosinus, 425, 426. 
rusti, Phloeosinus, 404, 485, 473, 474. 
rustica, Apis, 535, 548. 
Epicharis, 548. 
rutilus, Alestes, 312, 316. 
25, 26 
Sabella indica, 132. 
picta, 102, 136. 
Sabellastarte, 132. 
indica, 102, 1382. 
Sabellidae, 132. 
Sabulicola, 597. 
Sabulicola cirsii, 597. 
sabulosus, Liphanthus, 565. 
saccharicola, Blepyrus, 47. 
salae, Clarias, 326, 328. 
Salix, 46, 267. 
Salmo niloticus, 315. 
odoé, 315. 
salvadorensis, Gerrhonotus, 364. 
salviae, Lasius, 568. 
salvinii, Scelonorus malachiticus, 356. 
