1901] 209 



Halictus soror, n. sp., ? , 2, Castle Bellver, March 26tli and 30tli. 



¥ . H. morioni, affinis, obscure viridi-niger, capite thoraceque albopilosis opacis, 

 creberriiiie punctatis, facie sac elongata, plus minus ut in punctatisnimo forniata, 

 clypeo plus quaiu diiuidio latitudiiiis sui ultra oculis projecto, abdominis segmenti- 

 bus subiiiiuaiitibus, viridi-nigris crebre punctatis, iipicibus, prsesertim in lateribus, 

 raldc impressis, marginibus posticis piceis ; pedibus nigris. Long., 6 — 7 mm., a 

 Morioni differt facie valde elongata, corpoi'e opaco, colore viridi-nigro non seneo- 

 nigro crebriore punctate, prsesertim in segmento basali abdominis. 



$ . a morioni differt capite elongato, clypeo valde producto. 



1 have received both sexes of this species from Algeria, taken by 

 Eev. A. E. Eaton, aud I have made my remarks ou the ^J from oue of 

 his captures. 



Andrena morio, BruUe', V . 4, Castle Bellver, March 30th ; c? a"d V > Inca, 



Majorca, Thomas and Pocock, 1900. rosce, Pz. (r. Trimmerana), ? , 1, Miraniar, 



March 27th. sp. ?, $ (stylopized), Miramar, March 27th. Owynana, K., ? , 



var. ?, very obscure in coloration, Miramar, March 27th (on floveers). nigra- 



olivacea, Dours, 8 <? , 1 ? . The males, Miramar, March 27th (on flowers) ; female, 

 PoUensa, April 3rd. The males are of the ordinary type of this species, but the ? 



is peculiar in having the tibiaj black instead of testaceous. -Jtavipes, Pz., ^ 



fulvlcrus, Kirb., ^ 2, ? 6, Castle Bellver, March 25th and 30th ; Pollensa, April 



2nd.- — var.?, ?, 1; nob localised, Thomas and Pocock, 1900. sp. ?, group of 



AJzeliella, &c., $ , 3, Castle Bellver, March 30th ; Pollensa, April 2nd and 3rd. 



Dioyxs cincta, Jur., ? , 2, San Cristobal, Minorca, April 6th to 14th, 1900, 

 Thomas and Pocock. 



Noniadafucata. Pz.,var. iberica, $ , 1, not localised, Thomas and Pocock, 1900. 



NoMADA PouLTONi (n. sp.), <? 1, $ 3, Castle Bellver, one female, March 25th, 

 all others March 30th (on flowers), all wei-e captured on the summit of the hill 

 (iOO ft.) outside the castle. 



(J . Caput nigrum opacum, creberrime rugoso-punctatum ochraceo-fusco dense 

 hirsutum, clypeo antice, faciei lateribus, macula minuta supra clypeum lineaque pone 

 oculis, mandibulis (apicibus piceis exceptis), labroque flavis, hoc inermi ; antennis 

 fulvis, scapo, articulisque 3 — 9, supra plus minus nigris, flagelli articulis 2<io 3tio 

 que subaequalibus, 3ti", quarto, pauUo longiore. Thorax niger, sculptura vestituque 

 capiti simillimus, tegulis, callis humeralibus, maculaque pleurali sub tuberculis, 

 maculisque duabus minutis scutellaribus flavis, alls subinfuscatis, nervis piceo- 

 testaceis. Abdomen superne punctatissimum, fere ut in fucata, Pz. coloratum, 

 segmento basali omnino lajte ferrugineo, reliquis fascia Integra, medio subcon- 

 stricta, flava ornatis, 5, 6, 7, fere totis flavis ; septimo apicc emarginato ; subtus 

 testaceum, nitidum, segmento sexto valde punctato, ceteris fei'e impunctatis ; pedibus 

 fulvis, coxis, trochanteribus, femoribusque linea subtus nigra; tibiis posticis prope 

 apicem unco uno raunitis, metatarsorum lateribus subparallelis. 



? . Nigra, clypeo, macula supra clypeum, faciei lateribus, mandibulis (apicibus 

 nigris exceptis) labro, antennis, linea pone oculis, tegulis, callis humeralibus, macu- 

 laque obscura antice pleurale sub callis, scutelli tuberculis, linea subscutelli, 

 abdomine, pedibusque Isete forrugineis ; abdominis segmento quarto basi transverse 

 nigro maculato, capite et thorace obscuris valde et creberrime punctatis, pilis fusco- 



