464 PROCEEDINGS OF THE ACADEMY OF [Sept., 



this last specimen accompanied by a note "last joint of the antennae 

 very small in both cf 9 ; 2nd joint of palpi = 3rd, " in Osten Sacken's 

 writing. 



Lectotype, cf , Illinois (description says Osten Sacken, but probably 

 Kennicott) . 



T. strepens, Century IV, No. 28, p. 291. 



Three specimens in the type-series: (1), 9, No. 253, without 

 locality-label, presumably New York; (2), two 9 's, Pahsades, New 

 York (0. Sacken)^ The male of the original description could not 

 be located. 



Lectoty pe, 9 , New York (Osten Sacken) . 



T. SUbfasciata, Century IV, No. 13, p. 282, 283. 



Two specimens in the type-series; sex uncertain, but the original 

 description says cf. 



Lectotype, cf, English River, Canada (Kennicott). 



T. submaculata, Century IV, No. 23, p. 288. 



Three specimens in the type-series; (1), 9, Massachusetts; (2),. 

 9 , No. 259, New York. The male was not included in the original 

 description, but appears in the collection under the manuscript name 

 "bidens." 



Lectotype, 9 , Massachusetts (Scudder) . 



T. suspecta, Century IV, No. 8, p. 280. 



The monotype only, a 9 , without locality-label ; the description 

 says District of Columbia (Osten Sacken). 



T. tephrocephala, Century V, No. 23, p. 62. 



Seven specimens in the type-series; (1), cf, No. 180, bearing the 

 name-label, New Hampshire; (2), 9, New Hampshire; (3), 9, 

 Cambridge, Massachusetts; (4), 9, Massachusetts; (5), sex?, 

 Canada (Couper); (6), 9, bearing name-label. Palisades, New 

 York. 



Lectotype, (f , New Hampshire. 



T. ternaria, Century V, No. 15, p. 57. 



The monotype only, a cf. No. 138, Hudsons Bay Territory (Kenni- 

 cott). The label says ''terna," but an accompanying note by Osten 

 Sacken says "probably ternaria Loew, " and there can be no question 

 but this is the species. Under the manuscript name of "triplex" 

 Loew has two more males from Hudsons Bay Territory, to which 

 Osten Sacken has added the label "allied to T. arctica Curtis but the 

 female ovipositor not serrated." 



Lectotype, cf, Hudsons Bay Territory (Kennicott). 



