The derivation of the freshwater and land nemerteans, and allied questions

✍ Scribed by Thos. H. Montgomery Jr.

• Publisher: John Wiley and Sons
• Year: 1895
• Tongue: English
• Weight: 306 KB
• Volume: 11
• Category: Article
• ISSN: 0362-2525
• DOI: 10.1002/jmor.1050110208

✦ Synopsis

IN a recent paper de Guerne has given a discussion of the origin of the freshwater nemerteans, which, however, is but a brief collaboration of the facts of previous writers ; so that I am led to a further consideration of the same problem, and to a more detailed discussion of some of the interesting questions in connection with it.

of the freshwater nemerteans,of those at least which have been sufficiently

diagnosed, according to which we have four well-defined species belonging to the genera Monopoya, Sz%hostemnzn, and Neme~tes(!) Freshwater forms have been found in Europe,