INDEX OF SPECIES.— Synonyms in Italics. 



Plate Page 



Pyralina 14 46 



Pyramidea 30 78 



Pyrophila 19 56 



QnadripHiictnta 14 44 



Ravida 15 48 



Reticulata 11 40 



Rectilinea 26 70 



Retusa 14 45 



Rhizolitha 27 72 



Rhomboidea 17 51 



Ridens 4 23 



Ripje 16 49 



Rubi 18 55 



Rubiginea 20 60 



Rubricosa 19 56 



Rufa 8 31 



Rufina 20 59 



Rumicis 5 24 



Rurea 12 40 



Sapponariae 11 40 



Satellitia 21 60 



Satura 26 71 



Saucia 18 54 



Scabriuscula 9 36 



Scolopacina 13 42 



Scrophularise 27 74 



Segetum 16 49 



Semibrunnea 27 73 



Serena 21 62 



Silago 21 61 



Sinuilans 19 56 



Sobrina 18 55 



Socia 27 73 



Solidaginis 26 72 



Sordida 11 39 



Spadicea 20 60 



Spargani 8 31 



Sphinx 28 75 



Sponsa 32 83 



Stablis 19 57 



Stigviatica 17 51 



Straminea 7 28 



Strigilis 13 33 



Strlgosa 5 25 



Strigula 17 52 



Suasa 25 70 



Sublustris 12 41 



Subrosea 18 52 



Subsequa 15 47 



Subtusa 14 45 



Plate Page 



Suffusa 16 48 



Sulphuralis 30 80 



Superstes 14 44 



Suspecta 20 58 



Taraxaci 14 44 



Templi 23 66 



Tenebrosa 14 44 



Tcncbrata 30 80 



Testacea 10 38 



Thalassina 25 69 



Tincta 24 69 



Trabealis 30 80 



Tragopogonis 30 78 



Trapezina 15 46 



Triangulum 17 51 



Tridens 5 25 



Trifolii 22 64 



Trigramm icn 13 43 



Trilinea 13 43 



Tripartita 30 78 



Triplasia 30 78 



Tritici 18 54 



Turca 6 26 



Typhse 8 31 



Typica 30 78 



Ulvje 16 49 



U7nbra 28 76 



Umbrosa 17 51 



Umbratica 27 74 



Unanimis 10 39 



Unca 30 81 



Unada 30 81 



Upsilon 20 58 



Urticje 30 78 



Vaccinii 20 59 



Valligera 16 49 



V-AuVeum 29 77 



Venosa 5 24 



Venustula 30 80 



Verbasci 27 74 



Vestigial is 16 49 



Vetusta 26 71 



Viminalis 23 67 



Viridaria 30 81 



Vitellina 6 27 



Xanthographa 17 51 



Xanthomista 23 66 



Xerampclina 21 61 



Zinckenii 27 73 



