Has studied CD’s Jamaican hive-bees and finds them identical to Apis mellifica.

Discusses the structure of wasps’ and bees’ nests

and the occurrence of winged and apterous individuals within some insect genera and species.

Sketch and description of a [wasp’s] nest from Cuba. [Notes by CD on wasps’ nests and comb-building habits of hive-bees.]

Facts and inferences relating to different varieties of sweetpeas.

CD elected correspondent of the Academy of Natural Sciences of Philadelphia.

CD’s observations on curved styles read well. JDH seeks morphological rationale of curvature in the position of nectaries.

He has avoided lecturing to Royal Family’s children at Buckingham Palace.

Has examined Leschenaultia and concludes the external viscid surfaces have nothing to do with the stigmatic surface. Agrees with CD’s style and nectary conclusions; accounts for their form and position in irregular flowers by describing floral development.

[Enclosed are some queries by CD with answers by JDH. Gives information on seed setting by Mucuna

and an opinion on the abruptness of N. and S. limits of plant ranges.]

Gives CD references to papers on eyes of lower animals.