Ova, Eggs.

Museum Britannicum, Being an Exhibition of a Great Variety of Antiquities and Natural Curiosities, Belonging to that Noble and Magnificent Cabinet, the British Museum. London, 1778.

1. A Maccaws Egg, form rather more peaked than commonly they are; colour reddish white and polished. She laid several of them, in which was a yolk as well as white.
2. Lapis de Goa, Goa Stone, a Composition; the paste is formed into long or oval balls, and of various shapes, and polished.
3. The Brown, or Ivy Owl’s Egg, a beautiful round oval; colour bluish white.
4. A Tom-tit’s Egg, very white with a few purple brown spots.
5. Water-wag-tail’s Egg, form oblong oval, colour dusky white, ornamented all over wtih [sic] dark brown irregular spots, but more so at the biggest end. It is by this bird and the Hedge-Sparrow that the Cuckoo is hatched, and brought up.
6. Parrot’s Egg, form beautiful oval, colour reddish white, laid in September 1724, after the Parrot had been nine years in England, and never trod. — Vid. for an entertaining Account like this, in the incomparable Dr. Harvey on Generation. Exer. V. p. 24.
7. A Hair Ball, found in an Ox’s stomach, from Jamaica; colour brown ochre, the hair proceeding as it were from the center, the same at the posterior part; the inside solid of a hard glewey substance.
8. The White-Church Owl’s Egg, form round oval, colour bluish white.
9. Black-Bird’s Egg, form broad at top; colour a faint bluish green, spotted all over with a multitude of miniature tints of a faint dusky brown yellow, more so at the top; the Hen lays four or five Eggs; builds in hedges, near the ground, the nest made of twigs and moss, inside all strongly cemented and plaistered over with clay, lined over again with small straw, hair, and other soft substances; has Young ones by the end of March or sooner.
10. A Sparrow Hawk’s Egg, from Dr. Richardson, though some say it is a Crow’s Egg.
11. Hedge-Sparrow’s Egg, colour pale blue or pale sea-green; Hen lays commonly five Eggs, builds in Hedges, low and open; has Young ones at the end of April, or beginning of May.
12. One Egg within another, or pregnant Egg; it was laid by a Hen belonging to Mr. Taylor.
13. A Swallow’s Egg, colour reddish white; there is very little difference between the House-Martin, and this, as to form, size, and colour.
14. A Jackdaws Egg, form oblong oval; colour light green, spotted all over with dark and light irregular dusky green, principally at top; Hen lays
    five, or six Eggs, builds in Churches, ancient Castles, and ruinous Buildings.
15. Thrushes Egg, form beautiful; colour bluish green, speckled at top with a few black spots; Hen lays five or six Eggs, builds near the ground in Orchards, in a thick Hedge, or in Woods. The inside of this Bird’s Nest is artfully lined with cow-dung, from whence the Plaisterers took the hint; has young ones by the end of March, or beginning of April.

(From the Internet Archive)