Observations sur l'heteromorphisme des fleurs et ses consequences pour fecondation.

_Annal. Sci. Nat._ Tom. xix., 1863, (Bot.) pp. 204-255.

On the thickness of the Pampean formation, near Buenos Ayres.

_Geol. Soc. Jour._, vol. xix., 1863, pp. 68-71.

On the existence of two forms, and on their reciprocal s.e.xual relation, in several species of the genus Linum.

_Linn. Soc. Jour._, vol. vii. (Bot.), 1863, pp. 69-83.

On the so-called "Auditory sac" of Cirripedes.

_Nat. Hist. Review_, 1863, pp. 115, 116.

On the s.e.xual relations of the three forms of Lythrum Salicaria (1864).

_Linn. Soc. Jour._, vol. viii., 1865, (Bot.) pp. 169-196; _Archives Sci. Phys. Nat._ Tom. xxiii., 1865, pp. 69-72.

On the movements and habits of Climbing Plants (1865).

_Linn. Soc. Jour._, vol. ix., 1867, (Bot.) pp. 1-118; _Flora_, vol. xlix., 1866, pp. 241-252, 273-282, 321-325, 337-345, 375-378, 385-398.

Queries about Expression for Anthropological Inquiry.

_Report of Smithsonian Inst.i.tution_ for 1867, p. 324.

Note on the Common Broom (Cytisus Scoparius).

_Linn. Soc. Jour._, vol ix., 1867 (Bot.), p. 358.

On the character and hybrid-like nature of the offspring from the illegitimate unions of dimorphic and trimorphic plants.

_Linn. Soc. Jour._, vol. x., 1869 (Bot.), pp. 393-437.

On the specific difference between Primula veris, _Brit. Fl._ (_var._ officinalis, _Linn._), P. vulgaris, _Brit. Fl._ (_var._ acaulis, _Linn._) and P. elatior, _Jacq._ and on the hybrid nature of the common Oxlip. With supplementary remarks on naturally-produced hybrids in the genus Verbasc.u.m.

_Linn. Soc. Jour._, vol. x., 1869 (Bot.), pp. 437-454.

De la variation des animaux et des plantes sous l'action de la domestication. (_Transl._)

_Archives Sci. Phys. Nat._ Tom. x.x.xiv., 1869, pp. 41-66.

The Fertilisation of Winter-flowering Plants.

_Nature_, vol. i., 1869, p. 85.

Notes on the Fertilisation of Orchids.

_Ann. Mag. Nat. Hist._, vol. iv., 1869, pp. 141-159.

Note on the habits of the Pampas Woodp.e.c.k.e.r: Colaptes campestris.

_Zool. Soc. Proc._, 1870, pp. 705, 706.

Pangenesis.

_Nature_, vol. iii., 1871, pp. 502, 503.

Fertilisation of _Leschenaultia_.

_Gardeners' Chronicle_, 1871, p. 1166.

Origin of certain Instincts.

_Nature_, vol. vii., 1873, pp. 417, 418.

On the males and complemental males of certain Cirripedes, and on rudimentary structures.

_Nature_, vol. viii., 1873, pp. 431-433.

Perception in the lower animals.

_Zoologist_, vol. viii., 1873, pp. 3488-3489; _Nature_, vol. vii., 1878, p. 360.

Fertilisation of the Fumariaceae.

_Nature_, vol. ix., 1874, p. 460.

Flowers of the Primrose destroyed by birds.

_Nature_, vol. ix., 1874, p. 482; vol. x., p. 24.

s.e.xual Selection in relation to Monkeys.

_Nature_, vol. xv., 1876, pp. 18, 19.

Testimonial to Mr. Darwin. Evolution in the Netherlands. Letter of Mr.

Darwin.

_Nature_, vol. xv., 1877, pp. 410-412.

A Biographical Sketch of an Infant.

_Mind_, vol. ii. (No. 7, July 1877), pp. 285-294.

Les Debuts de l'intelligence; Esquisse biographique d'un pet.i.t enfant, _Revue Scientifique_, tom. 13, 1877, pp. 25-29.

The Contractile Filaments of the Teasel.