Emendations. 
vt. 
in any member of a truss with both chords horizontal. 
The construction above outlined includes these as 
special cases and applies also to all members of a 
truss with curved chords. This general construction 
would probably not have occurred to the present 
writer had he not read Professor Eddy’s paper. 
p. 42, line 20, for “ soun" read sound. 
p. 43, line 2 from bottom, for “Berkley” read Berkeley, 
p. 44, line 8, for “except on the gallows where he should hang 
read except where he should hang—on the gallows, 
p. 46, line 15 from bottom, before snakes insert venomous, 
p. 48, line 4, for “Cecelia’s” read Cecilia's, 
p. 48, line 11 from bottom, for “it” read that, 
p. 51, line 17 from bottom, for “sable” read sables, 
p. 76, line 31, after “ ludoviciana” insert a comma, 
p. 78, line 25, after “Piranga rubra" insert a reference-figure 6 
p. 83, line 22, for “ furcescens ” read fuscescens. 
p. 83, line 28, for “Farm” read Farms, 
p. 85, line 21, for “ Cucophrys" read leitcophrys. 
p. 90, line 2, for “fewer” read less, 
p. 92, line 18, for “ ceestiva ” read cestiva. 
p. 117, line 13, for “Sune” read June, 
p. 129, line 17, for “singign” read singing, 
p. 132, line 21, dele “narrow.” 
p. 158, line 16, for “meadow” read meadows, 
p. 158, line 18, for “Farm” read Farms, 
p. 228, line 21, for “5 cm.” read .5 cm. 
p. 229, line 17, for “igenous” read igneous, 
p. 239, line 7, for “hymenopteras” read hymenopters. 
p. 248, line 14 from bottom, for “Dendryphants” read Dendry 
phantes. 
p. 249, line 12, for “vittila” read vittata. 
p. 264, line 3, for “soeiety” read society. 
p. 264, line 21, for “Hustings” read hustings. 
p. 268, line 6, for “gentleman aud” read gentlemen and. 
p. 268, line 8 from bottom, for “ ges” read judges. 
p. 282, line 15, after is, insert there in. 
