Describes Lappago aleina, a species of South African grass,

and reports his observations on locusts and their feeding habits.

Delighted with mechanisms of Salvia and Viola. How can anyone who compares structure of Viola cornuta and common violet still suppose them to be separate creations?

Congratulates CD on success at Cambridge [of George Darwin].

Would like CD to study the anomalous Cardamine pratensis.

Writes on various observations and discoveries on dimorphic and trimorphic plants.

Note identifying insects and remarking on stridulation.

Lists stridulating organs of various Coleoptera.

Wants seeds of Passiflora gracilis.