42 The Irish Naturalist. March, 



House-Sparrow, Passer domesticus (Linn.)- — Average of 32 eggs 21-16 



ri8-7-25)x 15.13 (13 -5-16 -5)— weight 1712. 

 Tree-Sparrow, P. montanus (Linn.). — One egg 19 -3x14 -3 — weight -12. 



Chaffinch, Fringilla coehhs Linn. — Average of 9 eggs 18-9 (18-20) x 14-24 



(13 -5-14 -8) — weight -121 1. 

 Linnet, Acanthis cannabhta (Linn.) {Linota cannabina]. — Average of 



3 eggs 17 4 X 13-5 — weight 08. 

 Lesser Redpoll, A. linaria cabaret (Miill.) {Linota rufescevs]. — Average of 



7 eggs 15-64x11-82 — weight -0643. 

 Twite, A. flavirostyis (Linn.) [I.inota flavirostris]. — Average of 3 eggs 



17-93x13-23 — weight -0833. 

 British Bullfinch, Pyrrhula pyrrhida pileata^l^LcGiW. [Pyrrhiilaeiiropaea]. — 



Average of 5 eggs i9-24x 14 04 — weight -118. 

 Crossbill, I.oxia curvirostra Linn. — One egg 21 x 16 — weight -15. 

 Corn-Bunting, Emberiza calandra Linn. \E. miliaria']. — Average of 5 eggs 



2 3 - 1 X 16-5 8 — weight -194. 



Yellow-Hammer, E. citrinella Linn. — Average of 13 eggs 20 57 (19-22) 



XI5-7 (15-17 -y^—weight -1581. 



A yolkless egg in the collection measuring i3-7x it is not included 

 in above average. This egg is heavily pigmented all over its 

 surface. 

 Reed-Bunting, E. schoeniclus Linn. — Average of 9 eggs i9-54x 14-31 — 



weiglit - 1 2 1 1 . 

 Sky-Lark, Alauda avvensis I-inn. — Average of 3 eggs 25-04x16-92 — 



weight -22. 

 Wood-Lark, Lnllula arhovea (Linn.) [Alauda arborea]. — One egg 26-7X 16 



— weight -17. 

 Pied Wagtail, Moiacilla litgitbris Temm. — Average of 7 eggs 19 -24X 15 -06 



— weight -1286. 

 Grey Wagtail, M. boanila Scop. [M. melanope]. — Average of 4 eggs 18-42 



XI433 — weight -105. 

 Yellow Wagtail, M. raii (Bonap.). — Average of 2 eggs 19 -75x14 5 — 



weight -105. 

 Meadow-Pipit, Antkus pratensis (Linn.). — Average of 10 eggs 20-31 



(i9-8-2o-7)x 14-37 (14-15)— weight -125. 

 Rock-Pipit, A. petrosus (Mont.) [A. obscttnts]. — Average of 2 eggs 20-75 



x 1 6 ■ 85 — weight -185. 

 British Tree-Creeper, Cerihia familiaHs britannica (Linn.). — Average of 



5 eggs 15 04x12 -04 — weight -0633. 

 Goldcrest, Reguliis regulus (Linn.) {Regulus cristatits]. — Average of 6 eggs 



14-03X io-_|6 — 0392. 

 British Great Titmouse, Pants major newtoni Praz. [Par us major]. — 



Average of 12 eggs 18-15 (i7--0'5)x i-"^^3 (11-2-14 -5) — weight -i. 

 Irish Coal-Titmouse, P. ater hibernicus (Grant) [P. ater]. — Average of 



3 eggs I5-33X 12— weight -0633. 



British Blue Titmouse, P.coeruleits obscurus Praz. [P.coerulcus]. — Average 

 of 3 eggs 14-66X 11-93 — weight -0633, 



