Observations on the Germination of Ferns. 333 
coast of Berwickshire, but not having correct sketches of them, I shall 
not take notice of them here. 
( To be continued.) 
Explanation of Plates. Plate VIII. Fig. 1, femaleof C. quadricor- 
nis, var. viridis, lateral view, (a) body ; (b) tail ; (c, c) antennae ; 
(d, d) antennules; (e,e) feet; (f,f) plumose setae of tail; Fig. 2 (a, a) 
antennae of male, to shew the peculiar swelling and hinge-joint ; 
Fig. 3, tail of var. albidus, to shew the external ovaries ; Fig. 4, in- 
ternal mandible, (a) body ; (b) neck ; (c) " barbillon ;" Fig. 5, ex- 
ternal mandible ; Fig. 6, hand ; (a) internal portion, or thumb ; 
(b) external do ; Fig. 7> feet, first pair ; Fig. 8, ovum at maturity ; 
Fig. 9, young, a few hours after birth ; Fig. 10, young, eight days 
old; Fig. 11, young, fifteen days old; Fig. 12, young after first 
moulting ; Fig. 13, tail of male, to shew organs of generation ; Fig. 
14, female of var. rubens, to shew internal ovaries. 
Plate IX. Fig. 1, female of C. minutus ; (a, a) antennae ; Fig. 2, 
male of do ; (a, a) antennae ; Fig. 3, antennae of female ; Fig. 4, do 
of male ; Fig. 5, antennule ; Fig. 6, mandible ; Fig. 7> " barbillon" 
of lips ; Fig. 8, hand ; Fig. 9. thoracic or first pair of feet ; (a) ex- 
ternal stalk ; (b) internal do; Fig. 10, second pair of feet ; Fig. 11, 
fulcrum or support ; Fig. 12, young just born ; Fig. 13, young, eight 
days old (in October) ; Fig. 14, do. fifteen days old (October) 
Fig. 15, female of C. chelif'er ; Fig. 16, antennae of female ; Fig. 17, 
antennule; Fig. 18, hand; Fig. 19, thoracic or first pair of feet; 
Fig. 20, second pair of feet ; Fig. 21, fulcrum or support ; Fig. 22, 
male antenna ; Fig. 23, female of C. Stroniii ; Fig. 24, first pair of 
feet ; Fig. 25, antenna of male ; Fig. 26, female of C.furcatus, in 
supine position, shewing external ovary and polype like body ; Fig. 
27, do. lateral view to shew its various members; Fig. 28, first pair 
of feet. 
Plate X. Fig. 1, C. castor ; Fig. 2, antennules ; Fig. 3, internal 
mandible ; Fig. 4, barbillon of lips ; Fig. 5, hand ; Fig. 6, feet, first 
pair ; Fig. 7, male organs ; Fig. 8, fulcra or supports ; Fig. 9, fe- 
male of C. depressus ; Fig. 10, male of do ; Fig.^11, thoracic or first 
pair of feet ; Fig. 12, male sexual organ. 
II Observations on the Germination of Ferns. By Mr J. HEN- 
DERSON. Plates XI. XII. 
THE first account of the germination and raising of ferns from spo- 
rules was given by Mr Lindsay, in a paper read before the Linnaean 
Society, January 3d, 1792, and published in 1794 in Linn. Trans. 
