14 PEOCEEDINGS OF THE NATIOlsTAL MUSEUM vol.72 



This table shows no close correlation between the number of sec- 

 ondary teeth and the size of the specimen as indicated by its length. 



A pair of bothriotricha occurred on abd. 2, 3 and 4, respectively. 



Maximum length, 1.2 mm. 



Fort San Lorenzo, Canal Zone, June 14, 1923, with Goptotermes 

 niger Snyder in termitarium on tree stump, J. Zetek, collector 

 (Z. No. 2111a). 



REFERENCES 



AxELSON, W. M. 1905. Einige ueue Oollembolen aus Finnland. Zool. Anz., 



vol. 28, pp. 788-794. 

 Cakpenter, G. H. 1916. The Apterygota of tlie Seychelles. Proc. Roy. Irish 



Acad., vol. 33, sect. B, no. 1, pp. 1-70. 

 FoLSOM, J. W. 1923. Termitophilous Apterygota. Zoologica, vol. 3, pp. 383- 



402. 

 LiNNANiEMi, W. M. 1912. Die Apterygotenfauna Finlands. II. Spezieller 



Teil. Acta Sec. Sc. Fennicae, vol. 40, pp. 1-361. 

 MacGillivbay, a. D. 1894. North American Thysauura — V. Can. Ent., vol. 



26, pp. 105-110. 

 OuDEMANS, J. T. 1890. Apterygota des Indischen Archipels. Weber: Zool. 



Ergeb., vol. 1, heft 1, pp. 73-92. Leiden. 

 ScHOTT, H. 1896. North American Apterygogenea. Proc. Cal. Acad. Sci., 



ser. 2, vol. 6, pp. 169-196. 

 SiLVESTKi, F. 1898. Primera noticia acerca de los Tisanuros argentinos. 



Comun. Mus. Nac. Buenos Aires, vol. 1, no. 2, pp. 33-36. 

 . 1899. Breve descrizione comparativa di Lepidocampa Oudms. con 



Campodea Westw. Anales Mus. Nac. Buenos Aires, vol. 6, pp. 391-396. 

 . 1916. Descrizione di alcuni Tisanuri indo-malesi. Boll. Lab. Zool. 



gen, agr. etc., Portici, vol. 11, pp. 85-119. 

 . 1918. Insectes Apterygogeniens. I. Thysanoures. Voyage Ch. Al- 



luaud et R. Jeannel en Afrique orientale (1911-1912). Resultats scien- 

 tifiques, pp. 1-27. Paris. L. Lhomme. 

 Stach, J. 1921, Vorarbeiten zur Apterygoten-Fauna Polens. Teil II: Ap- 

 terygoten aus den Pieniny. Bull. Acad. Polonaise Sc. Lettres, ser. B 

 (1919), pp. 133-233. 



EXPLANATION OF PLATES 



Plate 1 

 Lepidocampa zeteTci 



Fig. 1. Dorsal aspect of female, X 25. 



2. Dorsal aspect of base of right antenna of male, X 175. 



3. Last two segments of left antenna of female, dorsal aspect, X 320. 



4. Dorsal aspect of labrum, X 320. 



5. Dorsal aspect of head of right mandible, X 505. 



6. Dorsal aspect of head of left mandible, X 505. 



7. Galea iff) and palpus (/j) of right maxilla, dorsal aspect, X 505. 



8. Lacinia of right maxilla, dorsal aspect, X 505. 



9. Dorsal aspect of lingua and superlinguae, X 370. 



