The iliac portion of the caud-ilio-femoralis; A B X and B X Y are less common; A X and X Y are rare and occur only in smaller groups, as in subfamilies or genera; B X occurs only in Podiceps.
But there are several subfamilies of ants whose females have the lancets of the sting useless for piercing, although the poison-glands are functional, their secretion being ejected by the insect, when occasion may arise, from the greatly enlarged reservoir, the reduced sting acting as a squirt.
The Bovidae are divided into a number of sections, or subfamilies, each of which is briefly noticed in the present article, while fuller mention of some of the more important representatives of these is made in other articles.
The Metanopsilae are made up of the Heteropalpae [palpi long in the male, short in the female; sub-families Culicinae (Culex, &c.) and Heptaphlebomyinae (Heptaphlebomyia)] and Micropalpae [palpi short in both sexes; subfamilies Aedinae (Aedes, &c.) and Haemagoginae (Haemagogus, Uranotaenia, &c.)].
Finsch published at Leiden an elaborate monograph of the parrots, 4 regarding them as a family, in which he admitted 26 genera, forming 5 subfamilies: (I) that composed of Strigops (Kakapo), only; (2) that containing the crested forms or cockatoos; (3) one which he named Sittacinae, comprising all the long-tailed species - a somewhat heterogeneous assemblage, made up of Macaws and what are commonly known as parakeets; (4) the parrots proper with short tails; and (5) the so-called "brush-tongued" parrots, consisting of the LoRIES (q.v.) and Nestors.
How would you define subfamilies? Add your definition here.