The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
LAYNE CHRISTENSEN 4.25% CONVERT DUE 11/15/2018 Convertible Bonds 521050AB0 13,387 15,398,000 PRN   SOLE 0 15,398,000 0 0
WALTER INVTS MGMT 4.5% CONVERT DUE NOV 1, 2019 Convertible Bonds 93317WAA0 770 2,000,000 PRN   SOLE 0 2,000,000 0 0
APPLE INC. Common Stocks 037833100 22,532 235,691 SH   SOLE 0 235,691 0 0
ABB LIMITED Common Stocks 000375204 9,893 498,886 SH   SOLE 0 498,886 0 0
ACCENTURE PLC Common Stocks G1151C101 7,908 69,804 SH   SOLE 0 69,804 0 0
FIRST MAJESTIC SILVER CORPORATION Common Stocks 32076V103 182 13,400 SH   SOLE 0 13,400 0 0
APACHE CORP Common Stocks 037411105 1,171 21,026 SH   SOLE 0 21,026 0 0
CHECK POINT SOFTWARE TECH Common Stocks M22465104 11,718 147,068 SH   SOLE 0 147,068 0 0
CHEVRON CORP. Common Stocks 166764100 949 9,050 SH   SOLE 0 9,050 0 0
DISH NETWORK CORP Common Stocks 25470M109 703 13,425 SH   SOLE 0 13,425 0 0
DORCHESTER MINERALS LP Common Stocks 25820R105 1,820 126,230 SH   SOLE 0 126,230 0 0
EMC CORP Common Stocks 268648102 15,363 565,422 SH   SOLE 0 565,422 0 0
ENTERPRISE PRODUCTS PRTNS Common Stocks 293792107 36,484 1,246,904 SH   SOLE 0 1,246,904 0 0
FITBIT, INC. Common Stocks 33812L102 4,395 359,635 SH   SOLE 0 359,635 0 0
TWENTY-FIRST CENTURY FOX, INC Common Stocks 90130A101 9,482 350,553 SH   SOLE 0 350,553 0 0
GILEAD SCIENCES, INC Common Stocks 375558103 14,907 178,701 SH   SOLE 0 178,701 0 0
ALPHABET INC CL C (GOOGLE C) Common Stocks 02079K107 23,401 33,812 SH   SOLE 0 33,812 0 0
ALPHABET INC CL A (GOOGLE A) Common Stocks 02079K305 15,678 22,285 SH   SOLE 0 22,285 0 0
HCP, INC. Common Stocks 40414L109 386 10,901 SH   SOLE 0 10,901 0 0
HECLA MINING COMPANY Common Stocks 422704106 189 37,000 SH   SOLE 0 37,000 0 0
HONEYWELL INTL INC Common Stocks 438516106 1,573 13,521 SH   SOLE 0 13,521 0 0
INOVALON HOLDINGS INC. (Class A) Common Stocks 45781D101 9,535 529,414 SH   SOLE 0 529,414 0 0
KINDER MORGAN, INC. Common Stocks 49456B101 21,942 1,172,093 SH   SOLE 0 1,172,093 0 0
LAS VEGAS SANDS Common Stocks 517834107 9,130 209,942 SH   SOLE 0 209,942 0 0
MATTEL, INC. Common Stocks 577081102 14,759 471,699 SH   SOLE 0 471,699 0 0
MONSANTO COMPANY Common Stocks 61166W101 17,916 173,254 SH   SOLE 0 173,254 0 0
THE MOSAIC COMPANY Common Stocks 61945C103 8,658 330,722 SH   SOLE 0 330,722 0 0
MATADOR RESOURCES CO. Common Stocks 576485205 891 45,000 SH   SOLE 0 45,000 0 0
NOBLE ENERGY INC Common Stocks 655044105 12,736 355,063 SH   SOLE 0 355,063 0 0
QUALCOMM INC Common Stocks 747525103 30,494 569,235 SH   SOLE 0 569,235 0 0
SKECHERS U.S.A. INC. Common Stocks 830566105 10,164 342,001 SH   SOLE 0 342,001 0 0
SCHLUMBERGER LTD Common Stocks 806857108 15,411 194,878 SH   SOLE 0 194,878 0 0
TEVA PHARMACEUTICAL ADR Common Stocks 881624209 19,022 378,696 SH   SOLE 0 378,696 0 0
EXXON MOBIL CORP Common Stocks 30231G102 393 4,196 SH   SOLE 0 4,196 0 0
XYLEM INC. Common Stocks 98419M100 12,258 274,537 SH   SOLE 0 274,537 0 0
SINTANA ENERGY INC. NEW Common Stocks 82938H107 3 52,895 SH   SOLE 0 52,895 0 0