46 The Irish Naturalist. March, 



Common Tern, Sterna Jiintndo Linn. [5. fluvio.lilis]. — Average of .|3 eggs 



I-'-3- {38-47 • 7) X ^9-84 (28-31 -7)— weight 1.0756. 

 Arctic Tern, S. paradisca Brim. [5. macruia]. — Average of 2O eggs 40-69 



(38-44 -8) X 20-36 (25-3-31) — weight 1-0288. 

 Roseate Tern, 5. doitgalli Mont. — Average of 3 eggs 41 • i6x 29-93 — ^veight 



I -12. 

 Little Tern, 5. uiinuia Linn. — Average of 7 eggs 31 -SGx 24 — weight -56. 

 Sandwich Tern, 5. sandvicensis Lath. [S. cantiaca], — Average of 3 eggs 



52 -52 X 36 -9— weight 2 -566. 

 Razorbill, Alca tovda Linn. — Average of 8 eggs 75 03 (72 -3-79) x 48 -31 



(46-51 -5)— ^veight 9-49. 

 Common Guillemot, Uria iroille (Linn.) [U. troile]. — Average of 18 eggs 



^08 (75 ■5-«9)x 50-25 (48-53)— weight 12-37. 

 Black Guillemot, U. gvylle (Linn.). — Average of 2 eggs 62 - 75 x -10-5 — 



weight 4-55. 

 Puffin, Fvaterciila ayctica (Linn.). — Average of 6 eggs 60 83x42 87 — 



weight 3-9167. 

 Storm-Petrel, Thalassidroiiia pelagica (Linn.) [Pyocellaria pelagica]. — 



Average of 4 eggs 27-95X 21 — weight -4. 

 Leach's Petrel, Oceanodvoma leucoryhoa (Vieill.)- — One egg 33-3x24 — 



weight -55. 

 Manx Shearwater, Puffinus puffinus (Brim.) [Pufj'inus augloriwi]. — One 



egg 58 X 43— weight 3-8. 

 Pulmar, Fulmayus glacialis (Linn.). — Average of 2 eggs 74 -6x50 -6 — 



weight 8-45. 

 Red-throated Diver, Colyinbits stellaius (Pont.) \C . se ptcntyionalis]. — Average 



of 3 eggs 74 ■ 66 X 45-5— weight 6-6833. 

 Great Crested Grebe, Podiceps cyistatus (Linn.) [Podicipes cyistatus]. 



—Average of 4 eggs 54 ^^-X 35 -875— weight 3-375- 

 Little Grebe, P. fluviiitilis (Tunst.) [Podicipes Jluviatilis]. — Average of 6 



eggs 39 -22 X 26-.:] 2 — weight 1-1917. 

 Water-Rail, liallus aquaiicus Linn. — Average of 4 eggs 35-25x25-9 — 



weight -9122. 

 Spotted Crake, Porzana poyzana (Linn.) \_P0y2ana itiayiietta]. One egg 



31 X 23-5— weight -75. 

 Corn-Crake, Crex crex (Linn.) [Crex pyatensis], — Average of 17 eggs 36-85 



(34-40) X 25-82 (25-2-27)— weight -834. 

 Moor-Hen, Gallimila chloyopus (Linn.). — Average of 19 eggs 43 -73 (41-47 -2) 



X 30-61 (27-5-33)— weight 1-9447- 

 Coot, Fulica atya Linn. — Average of 6 eggs 51-95 (48 -5-54) x 36-04 



(33 -2-39 -5)— weight 3-4. 

 Stock-Dove, Colmnha aenas Linn. — Average of 2 eggs 36X 28-6 — weight 



I -25. 

 Ring-Dove or Wood-Pigeon, C. palumhus Linn. — Average of 9 eggs 40-67 



(37-42)x 29-08 (27-30)— weight 1-261. 

 Rock-Dove, C. livia Bonn. — One egg 41x28 — weight i-i. 

 Turtle-Do ve, Streptopelia turtiiy (Linn.) [Titytuy communis]. — One egg 



30x22-5 — weight '5. 



