| four new species of isospora from the small tree finch (camarhynchus parvulus) from the galapagos islands. | four isosporan species are described from the small tree finch, camarhynchus parvulus from isabela island on the galapagos archipelago. isospora exigua n. sp. oocysts subspheroidal, one-layered, smooth, yellow-brown color, 20.4 x 20.1 (20-23 x 18-23) microns, with no micropyle, residuum, or polar body. sporocysts ovoidal, 14 x 9.5 (13-15 x 8-10) microns, with small stieda and substieda bodies and irregular-shaped residuum. isospora rotunda n. sp. oocysts subspheroidal, single-layered, smooth, ye ... | 1988 | 3367322 |