Figure 6. A in Revision of the smiling worms, genus Prosorhochmus Keferstein, 1862, and description of a new species, Prosorhochmus belizeanus sp. nov. (Prosorhochmidae, Hoplonemertea, Nemertea) from Florida and Belize

Figure 6. A series of slightly oblique transverse sections of Prosorhochmus belizeanus sp. nov. from precerebral to pyloric region (proboscis is missing). (A) Section through one of the cerebral organ furrows and the anterior ocellus on the opposite side. (B) Posterior ocelli, precerebral septum and cerebral organs (outlined). (C) Cerebral ganglia and brain commissures. (D) Posterior portion of brain. (E) Section through the stomach and nephridia. (F) Pyloric region and ovaries. Scales 100 Mm. Abbreviations: agl - acidophilic cephalic glands, bgl - basophilic cephalic glands, cae - caecum, cg - cerebral ganglia, co - cerebral organ, cof - cerebral organ furrow, dc - dorsal brain commissure, dvm - dorso-ventral muscles, es - oesophagus, lnc - lateral nerve cord, npd - nephridioduct, nph - nephridial tubule, npp - nephridiopore, oct - oocyte, ogl - orange-G cephalic glands, pb - proboscis, pc - pigment cup of ocellus, ps - precerebral septum, pyl - pylorus, rhc - rhynchocoel, rhd - rhynchodeum, vc - ventral brain commissure.