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. J 



Explanation of Plates. — Plate VIII. Fig. 1, femaleof C qnadricor- 

 nis, var. viridis, lateral view, (a) body ; (b) tail ; (c, c) antennae ; 

 (r/, 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. 1 0, 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 ; (6) 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. Stromii ; 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. 



