on classification of Nematoda, [129];

on oesophageal glands, [131];

on Strongylidae, [142]

Schultze, on Polyclads, [13], [26];

on Nemertinea, [108], [109]

Schultzia, [50]

Schulze, F. E., Stichostemma found by, [118];

Trichoplax found by, [96]

Scirtopoda, [200], [201], [203], [206], [207], [223]

Sclerocheilus, [334]